Added mozart and a project

.gitignore

@@ -0,0 +1,365 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+App_Data/
+Fleetstar/wwwroot/js/dist/
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Ww][Ii][Nn]32/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Oo]ut/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# ASP.NET Scaffolding
+ScaffoldingReadMe.txt
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*.json
+coverage*.xml
+coverage*.info
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+*.appxbundle
+*.appxupload
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
+
+# Fody - auto-generated XML schema
+FodyWeavers.xsd

Data/.idea/.name

@@ -0,0 +1 @@
+Hello, World

Data/.idea/checkstyle-idea.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CheckStyle-IDEA">
+    <option name="configuration">
+      <map>
+        <entry key="active-configuration" value="LOCAL_FILE:$PROJECT_DIR$/.lift/checkstyle-cos126.xml:COS 126 Checks" />
+        <entry key="checkstyle-version" value="8.31" />
+        <entry key="copy-libs" value="false" />
+        <entry key="location-0" value="BUNDLED:(bundled):Sun Checks" />
+        <entry key="location-1" value="BUNDLED:(bundled):Google Checks" />
+        <entry key="location-2" value="LOCAL_FILE:$PROJECT_DIR$/.lift/checkstyle-cos126.xml:COS 126 Checks" />
+        <entry key="property-2.basedir" value="$PROJECT_DIR$" />
+        <entry key="property-2.suppressions" value="checkstyle-suppressions.xml" />
+        <entry key="scan-before-checkin" value="false" />
+        <entry key="scanscope" value="JavaOnly" />
+        <entry key="suppress-errors" value="false" />
+        <entry key="thirdparty-classpath" value="$PROJECT_DIR$/.lift/checkstyle-lift.jar" />
+      </map>
+    </option>
+  </component>
+</project>

Data/.idea/codeInsightSettings.xml

@@ -0,0 +1,363 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaProjectCodeInsightSettings">
+    <excluded-names>
+      <name>apple</name>
+      <name>com</name>
+      <name>java.activation</name>
+      <name>java.applet</name>
+      <name>java.awt.AWTError</name>
+      <name>java.awt.AWTEvent</name>
+      <name>java.awt.AWTEventMulticaster</name>
+      <name>java.awt.AWTException</name>
+      <name>java.awt.AWTKeyStroke</name>
+      <name>java.awt.AWTPermission</name>
+      <name>java.awt.ActiveEvent</name>
+      <name>java.awt.Adjustable</name>
+      <name>java.awt.AlphaComposite</name>
+      <name>java.awt.BasicStroke</name>
+      <name>java.awt.BorderLayout</name>
+      <name>java.awt.BufferCapabilities</name>
+      <name>java.awt.Button</name>
+      <name>java.awt.Canvas</name>
+      <name>java.awt.CardLayout</name>
+      <name>java.awt.Checkbox</name>
+      <name>java.awt.CheckboxGroup</name>
+      <name>java.awt.CheckboxMenuItem</name>
+      <name>java.awt.Choice</name>
+      <name>java.awt.Component</name>
+      <name>java.awt.ComponentOrientation</name>
+      <name>java.awt.Composite</name>
+      <name>java.awt.CompositeContext</name>
+      <name>java.awt.Container</name>
+      <name>java.awt.ContainerOrderFocusTraversalPolicy</name>
+      <name>java.awt.Cursor</name>
+      <name>java.awt.DefaultFocusTraversalPolicy</name>
+      <name>java.awt.DefaultKeyboardFocusManager</name>
+      <name>java.awt.Desktop</name>
+      <name>java.awt.Dialog</name>
+      <name>java.awt.Dimension</name>
+      <name>java.awt.DisplayMode</name>
+      <name>java.awt.Event</name>
+      <name>java.awt.EventFilter</name>
+      <name>java.awt.EventQueue</name>
+      <name>java.awt.FileDialog</name>
+      <name>java.awt.FlowLayout</name>
+      <name>java.awt.FocusTraversalPolicy</name>
+      <name>java.awt.FontFormatException</name>
+      <name>java.awt.FontMetrics</name>
+      <name>java.awt.Frame</name>
+      <name>java.awt.GradientPaint</name>
+      <name>java.awt.Graphics</name>
+      <name>java.awt.Graphics2D</name>
+      <name>java.awt.GraphicsConfigTemplate</name>
+      <name>java.awt.GraphicsConfiguration</name>
+      <name>java.awt.GraphicsDevice</name>
+      <name>java.awt.GraphicsEnvironment</name>
+      <name>java.awt.GridBagConstraints</name>
+      <name>java.awt.GridBagLayout</name>
+      <name>java.awt.GridBagLayoutInfo</name>
+      <name>java.awt.GridLayout</name>
+      <name>java.awt.HeadlessException</name>
+      <name>java.awt.IllegalComponentStateException</name>
+      <name>java.awt.Image</name>
+      <name>java.awt.ImageCapabilities</name>
+      <name>java.awt.Insets</name>
+      <name>java.awt.ItemSelectable</name>
+      <name>java.awt.JobAttributes</name>
+      <name>java.awt.KeyEventDispatcher</name>
+      <name>java.awt.KeyEventPostProcessor</name>
+      <name>java.awt.KeyboardFocusManager</name>
+      <name>java.awt.Label</name>
+      <name>java.awt.LayoutManager</name>
+      <name>java.awt.LayoutManager2</name>
+      <name>java.awt.LinearGradientPaint</name>
+      <name>java.awt.List</name>
+      <name>java.awt.MediaTracker</name>
+      <name>java.awt.Menu</name>
+      <name>java.awt.MenuBar</name>
+      <name>java.awt.MenuComponent</name>
+      <name>java.awt.MenuContainer</name>
+      <name>java.awt.MenuItem</name>
+      <name>java.awt.MenuShortcut</name>
+      <name>java.awt.MouseInfo</name>
+      <name>java.awt.MultipleGradientPaint</name>
+      <name>java.awt.PageAttributes</name>
+      <name>java.awt.Paint</name>
+      <name>java.awt.PaintContext</name>
+      <name>java.awt.Panel</name>
+      <name>java.awt.Point</name>
+      <name>java.awt.PointerInfo</name>
+      <name>java.awt.Polygon</name>
+      <name>java.awt.PopupMenu</name>
+      <name>java.awt.PrintGraphics</name>
+      <name>java.awt.PrintJob</name>
+      <name>java.awt.RadialGradientPaint</name>
+      <name>java.awt.Rectangle</name>
+      <name>java.awt.RenderingHints</name>
+      <name>java.awt.Robot</name>
+      <name>java.awt.ScrollPane</name>
+      <name>java.awt.ScrollPaneAdjustable</name>
+      <name>java.awt.Scrollbar</name>
+      <name>java.awt.SecondaryLoop</name>
+      <name>java.awt.Shape</name>
+      <name>java.awt.SplashScreen</name>
+      <name>java.awt.Stroke</name>
+      <name>java.awt.SystemColor</name>
+      <name>java.awt.SystemTray</name>
+      <name>java.awt.Taskbar</name>
+      <name>java.awt.TextArea</name>
+      <name>java.awt.TextComponent</name>
+      <name>java.awt.TextField</name>
+      <name>java.awt.TexturePaint</name>
+      <name>java.awt.Toolkit</name>
+      <name>java.awt.Transparency</name>
+      <name>java.awt.TrayIcon</name>
+      <name>java.awt.Window</name>
+      <name>java.awt.color</name>
+      <name>java.awt.datatransfer</name>
+      <name>java.awt.desktop</name>
+      <name>java.awt.dnd</name>
+      <name>java.awt.event</name>
+      <name>java.awt.font</name>
+      <name>java.awt.geom</name>
+      <name>java.awt.im</name>
+      <name>java.awt.image</name>
+      <name>java.awt.peer</name>
+      <name>java.awt.print</name>
+      <name>java.base</name>
+      <name>java.beans</name>
+      <name>java.compiler</name>
+      <name>java.corba</name>
+      <name>java.datatransfer</name>
+      <name>java.desktop</name>
+      <name>java.instrument</name>
+      <name>java.io</name>
+      <name>java.jnlp</name>
+      <name>java.lang.AbstractMethodError</name>
+      <name>java.lang.Appendable</name>
+      <name>java.lang.ArrayStoreException</name>
+      <name>java.lang.AssertionError</name>
+      <name>java.lang.AutoCloseable</name>
+      <name>java.lang.BootstrapMethodError</name>
+      <name>java.lang.Byte</name>
+      <name>java.lang.CallSite</name>
+      <name>java.lang.CharSequence</name>
+      <name>java.lang.Character.Subset</name>
+      <name>java.lang.Character.UnicodeBlock</name>
+      <name>java.lang.Character.UnicodeScript</name>
+      <name>java.lang.Class</name>
+      <name>java.lang.ClassCastException</name>
+      <name>java.lang.ClassCircularityError</name>
+      <name>java.lang.ClassFormatError</name>
+      <name>java.lang.ClassLoader</name>
+      <name>java.lang.ClassNotFoundException</name>
+      <name>java.lang.ClassValue</name>
+      <name>java.lang.CloneNotSupportedException</name>
+      <name>java.lang.Cloneable</name>
+      <name>java.lang.Compiler</name>
+      <name>java.lang.Deprecated</name>
+      <name>java.lang.Enum</name>
+      <name>java.lang.EnumConstantNotPresentException</name>
+      <name>java.lang.Error</name>
+      <name>java.lang.Exception</name>
+      <name>java.lang.ExceptionInInitializerError</name>
+      <name>java.lang.FdLibm</name>
+      <name>java.lang.Float</name>
+      <name>java.lang.FunctionalInterface</name>
+      <name>java.lang.IllegalAccessError</name>
+      <name>java.lang.IllegalAccessException</name>
+      <name>java.lang.IllegalCallerException</name>
+      <name>java.lang.IllegalMonitorStateException</name>
+      <name>java.lang.IllegalStateException</name>
+      <name>java.lang.IllegalThreadStateException</name>
+      <name>java.lang.IncompatibleClassChangeError</name>
+      <name>java.lang.InheritableThreadLocal</name>
+      <name>java.lang.InstantiationError</name>
+      <name>java.lang.InstantiationException</name>
+      <name>java.lang.InternalError</name>
+      <name>java.lang.InterruptedException</name>
+      <name>java.lang.LayerInstantiationException</name>
+      <name>java.lang.LinkageError</name>
+      <name>java.lang.LiveStackFrame</name>
+      <name>java.lang.Long</name>
+      <name>java.lang.Module</name>
+      <name>java.lang.ModuleLayer</name>
+      <name>java.lang.NegativeArraySizeException</name>
+      <name>java.lang.NoClassDefFoundError</name>
+      <name>java.lang.NoSuchFieldError</name>
+      <name>java.lang.NoSuchFieldException</name>
+      <name>java.lang.NoSuchMethodError</name>
+      <name>java.lang.NoSuchMethodException</name>
+      <name>java.lang.Number</name>
+      <name>java.lang.NumberFormatException</name>
+      <name>java.lang.OutOfMemoryError</name>
+      <name>java.lang.Override</name>
+      <name>java.lang.Package</name>
+      <name>java.lang.Process</name>
+      <name>java.lang.ProcessBuilder</name>
+      <name>java.lang.ProcessHandle</name>
+      <name>java.lang.Readable</name>
+      <name>java.lang.ReflectiveOperationException</name>
+      <name>java.lang.Runnable</name>
+      <name>java.lang.Runtime</name>
+      <name>java.lang.RuntimePermission</name>
+      <name>java.lang.SafeVarargs</name>
+      <name>java.lang.SecurityException</name>
+      <name>java.lang.SecurityManager</name>
+      <name>java.lang.Short</name>
+      <name>java.lang.StackOverflowError</name>
+      <name>java.lang.StackTraceElement</name>
+      <name>java.lang.StackWalker</name>
+      <name>java.lang.StrictMath</name>
+      <name>java.lang.StringBuffer</name>
+      <name>java.lang.StringIndexOutOfBoundsException</name>
+      <name>java.lang.SuppressWarnings</name>
+      <name>java.lang.System.Logger</name>
+      <name>java.lang.System.LoggerFinder</name>
+      <name>java.lang.System.out.append</name>
+      <name>java.lang.System.setErr</name>
+      <name>java.lang.Thread</name>
+      <name>java.lang.ThreadDeath</name>
+      <name>java.lang.ThreadGroup</name>
+      <name>java.lang.ThreadLocal</name>
+      <name>java.lang.Throwable</name>
+      <name>java.lang.TypeNotPresentException</name>
+      <name>java.lang.UnknownError</name>
+      <name>java.lang.UnsatisfiedLinkError</name>
+      <name>java.lang.UnsupportedClassVersionError</name>
+      <name>java.lang.VerifyError</name>
+      <name>java.lang.VirtualMachineError</name>
+      <name>java.lang.Void</name>
+      <name>java.lang.WeakPairMap</name>
+      <name>java.lang.annotation</name>
+      <name>java.lang.instrument</name>
+      <name>java.lang.invoke</name>
+      <name>java.lang.management</name>
+      <name>java.lang.module</name>
+      <name>java.lang.ref</name>
+      <name>java.lang.reflect</name>
+      <name>java.logging</name>
+      <name>java.management</name>
+      <name>java.naming</name>
+      <name>java.net</name>
+      <name>java.nio</name>
+      <name>java.prefs</name>
+      <name>java.rmi</name>
+      <name>java.scripting</name>
+      <name>java.se</name>
+      <name>java.security</name>
+      <name>java.smartcardio</name>
+      <name>java.sql</name>
+      <name>java.text</name>
+      <name>java.time</name>
+      <name>java.util.AbstractCollection</name>
+      <name>java.util.AbstractList</name>
+      <name>java.util.AbstractMap</name>
+      <name>java.util.AbstractQueue</name>
+      <name>java.util.AbstractSequentialList</name>
+      <name>java.util.AbstractSet</name>
+      <name>java.util.ArrayDeque</name>
+      <name>java.util.Base64</name>
+      <name>java.util.BitSet</name>
+      <name>java.util.Calendar</name>
+      <name>java.util.Collection</name>
+      <name>java.util.ConcurrentModificationException</name>
+      <name>java.util.Currency</name>
+      <name>java.util.Date</name>
+      <name>java.util.Deque</name>
+      <name>java.util.Dictionary</name>
+      <name>java.util.DoubleSummaryStatistics</name>
+      <name>java.util.DuplicateFormatFlagsException</name>
+      <name>java.util.EmptyStackException</name>
+      <name>java.util.EnumMap</name>
+      <name>java.util.EnumSet</name>
+      <name>java.util.Enumeration</name>
+      <name>java.util.EventListener</name>
+      <name>java.util.EventListenerProxy</name>
+      <name>java.util.EventObject</name>
+      <name>java.util.FormatFlagsConversionMismatchException</name>
+      <name>java.util.Formattable</name>
+      <name>java.util.FormattableFlags</name>
+      <name>java.util.Formatter</name>
+      <name>java.util.FormatterClosedException</name>
+      <name>java.util.GregorianCalendar</name>
+      <name>java.util.Hashtable</name>
+      <name>java.util.IdentityHashMap</name>
+      <name>java.util.IllegalFormatCodePointException</name>
+      <name>java.util.IllegalFormatConversionException</name>
+      <name>java.util.IllegalFormatException</name>
+      <name>java.util.IllegalFormatFlagsException</name>
+      <name>java.util.IllegalFormatPrecisionException</name>
+      <name>java.util.IllegalFormatWidthException</name>
+      <name>java.util.IllformedLocaleException</name>
+      <name>java.util.IntSummaryStatistics</name>
+      <name>java.util.InvalidPropertiesFormatException</name>
+      <name>java.util.ListResourceBundle</name>
+      <name>java.util.Locale</name>
+      <name>java.util.LongSummaryStatistics</name>
+      <name>java.util.MissingFormatArgumentException</name>
+      <name>java.util.MissingFormatWidthException</name>
+      <name>java.util.MissingResourceException</name>
+      <name>java.util.NavigableMap</name>
+      <name>java.util.NavigableSet</name>
+      <name>java.util.Observable</name>
+      <name>java.util.Observer</name>
+      <name>java.util.Optional</name>
+      <name>java.util.OptionalDouble</name>
+      <name>java.util.OptionalInt</name>
+      <name>java.util.OptionalLong</name>
+      <name>java.util.PrimitiveIterator</name>
+      <name>java.util.PriorityQueue</name>
+      <name>java.util.Properties</name>
+      <name>java.util.PropertyPermission</name>
+      <name>java.util.PropertyResourceBundle</name>
+      <name>java.util.Queue</name>
+      <name>java.util.Random</name>
+      <name>java.util.RandomAccess</name>
+      <name>java.util.ResourceBundle</name>
+      <name>java.util.ServiceConfigurationError</name>
+      <name>java.util.ServiceLoader</name>
+      <name>java.util.SimpleTimeZone</name>
+      <name>java.util.SortedMap</name>
+      <name>java.util.SortedSet</name>
+      <name>java.util.Spliterator</name>
+      <name>java.util.Spliterators</name>
+      <name>java.util.SplittableRandom</name>
+      <name>java.util.Stack</name>
+      <name>java.util.StringJoiner</name>
+      <name>java.util.StringTokenizer</name>
+      <name>java.util.TimeZone</name>
+      <name>java.util.Timer</name>
+      <name>java.util.TimerTask</name>
+      <name>java.util.TooManyListenersException</name>
+      <name>java.util.UUID</name>
+      <name>java.util.UnknownFormatConversionException</name>
+      <name>java.util.UnknownFormatFlagsException</name>
+      <name>java.util.Vector</name>
+      <name>java.util.WeakHashMap</name>
+      <name>java.util.concurrent</name>
+      <name>java.util.function</name>
+      <name>java.util.jar</name>
+      <name>java.util.logging</name>
+      <name>java.util.prefs</name>
+      <name>java.util.regex</name>
+      <name>java.util.spi</name>
+      <name>java.util.stream</name>
+      <name>java.util.zip</name>
+      <name>java.xml</name>
+      <name>javafx</name>
+      <name>javax</name>
+      <name>jdk</name>
+      <name>netscape</name>
+      <name>oracle</name>
+      <name>org.graalvm</name>
+      <name>org.ietf</name>
+      <name>org.jcp</name>
+      <name>org.omg</name>
+      <name>org.w3c</name>
+      <name>org.xml</name>
+      <name>sun</name>
+    </excluded-names>
+  </component>
+</project>

Data/.idea/codeStyles/Project.xml

@@ -0,0 +1,83 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <option name="LINE_SEPARATOR" value="&#10;" />
+    <option name="SOFT_MARGINS" value="80" />
+    <JavaCodeStyleSettings>
+      <option name="INSERT_OVERRIDE_ANNOTATION" value="false" />
+      <option name="ANNOTATION_PARAMETER_WRAP" value="1" />
+      <option name="ALIGN_MULTILINE_ANNOTATION_PARAMETERS" value="true" />
+      <option name="USE_SINGLE_CLASS_IMPORTS" value="true" />
+      <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="20" />
+      <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="20" />
+      <option name="PACKAGES_TO_USE_IMPORT_ON_DEMAND">
+        <value />
+      </option>
+      <option name="JD_DO_NOT_WRAP_ONE_LINE_COMMENTS" value="true" />
+      <option name="JD_PRESERVE_LINE_FEEDS" value="true" />
+    </JavaCodeStyleSettings>
+    <codeStyleSettings language="JAVA">
+      <option name="RIGHT_MARGIN" value="100" />
+      <option name="LINE_COMMENT_AT_FIRST_COLUMN" value="false" />
+      <option name="BLOCK_COMMENT_AT_FIRST_COLUMN" value="false" />
+      <option name="LINE_COMMENT_ADD_SPACE" value="true" />
+      <option name="LINE_COMMENT_ADD_SPACE_ON_REFORMAT" value="true" />
+      <option name="KEEP_FIRST_COLUMN_COMMENT" value="false" />
+      <option name="BLANK_LINES_BEFORE_PACKAGE" value="1" />
+      <option name="ELSE_ON_NEW_LINE" value="true" />
+      <option name="CATCH_ON_NEW_LINE" value="true" />
+      <option name="FINALLY_ON_NEW_LINE" value="true" />
+      <option name="ALIGN_MULTILINE_CHAINED_METHODS" value="true" />
+      <option name="ALIGN_MULTILINE_PARAMETERS_IN_CALLS" value="true" />
+      <option name="ALIGN_MULTILINE_ASSIGNMENT" value="true" />
+      <option name="ALIGN_MULTILINE_TERNARY_OPERATION" value="true" />
+      <option name="ALIGN_MULTILINE_THROWS_LIST" value="true" />
+      <option name="ALIGN_THROWS_KEYWORD" value="true" />
+      <option name="ALIGN_MULTILINE_EXTENDS_LIST" value="true" />
+      <option name="ALIGN_MULTILINE_ARRAY_INITIALIZER_EXPRESSION" value="true" />
+      <option name="SPACE_WITHIN_ARRAY_INITIALIZER_BRACES" value="true" />
+      <option name="SPACE_WITHIN_EMPTY_ARRAY_INITIALIZER_BRACES" value="true" />
+      <option name="SPACE_BEFORE_ARRAY_INITIALIZER_LBRACE" value="true" />
+      <option name="CALL_PARAMETERS_WRAP" value="1" />
+      <option name="METHOD_PARAMETERS_WRAP" value="1" />
+      <option name="RESOURCE_LIST_WRAP" value="1" />
+      <option name="EXTENDS_LIST_WRAP" value="1" />
+      <option name="THROWS_LIST_WRAP" value="1" />
+      <option name="EXTENDS_KEYWORD_WRAP" value="1" />
+      <option name="METHOD_CALL_CHAIN_WRAP" value="1" />
+      <option name="BINARY_OPERATION_WRAP" value="1" />
+      <option name="BINARY_OPERATION_SIGN_ON_NEXT_LINE" value="true" />
+      <option name="TERNARY_OPERATION_WRAP" value="1" />
+      <option name="KEEP_SIMPLE_LAMBDAS_IN_ONE_LINE" value="true" />
+      <option name="FOR_STATEMENT_WRAP" value="1" />
+      <option name="ARRAY_INITIALIZER_WRAP" value="1" />
+      <option name="ARRAY_INITIALIZER_LBRACE_ON_NEXT_LINE" value="true" />
+      <option name="ARRAY_INITIALIZER_RBRACE_ON_NEXT_LINE" value="true" />
+      <option name="ASSIGNMENT_WRAP" value="1" />
+      <option name="PLACE_ASSIGNMENT_SIGN_ON_NEXT_LINE" value="true" />
+      <option name="WRAP_COMMENTS" value="true" />
+      <option name="ASSERT_STATEMENT_WRAP" value="1" />
+      <option name="DOWHILE_BRACE_FORCE" value="3" />
+      <option name="PARAMETER_ANNOTATION_WRAP" value="1" />
+      <option name="VARIABLE_ANNOTATION_WRAP" value="1" />
+      <option name="ENUM_CONSTANTS_WRAP" value="1" />
+      <option name="WRAP_ON_TYPING" value="0" />
+      <option name="SOFT_MARGINS" value="80" />
+      <arrangement>
+        <groups>
+          <group>
+            <type>GETTERS_AND_SETTERS</type>
+            <order>KEEP</order>
+          </group>
+          <group>
+            <type>OVERRIDDEN_METHODS</type>
+            <order>KEEP</order>
+          </group>
+          <group>
+            <type>DEPENDENT_METHODS</type>
+            <order>BREADTH_FIRST</order>
+          </group>
+        </groups>
+      </arrangement>
+    </codeStyleSettings>
+  </code_scheme>
+</component>

Data/.idea/codeStyles/codeStyleConfig.xml

@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>

Data/.idea/compiler.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <addNotNullAssertions enabled="false" />
+  </component>
+  <component name="JavacSettings">
+    <option name="ADDITIONAL_OPTIONS_STRING" value="-encoding UTF-8 -Xlint:all -Xlint:-overrides -Xlint:-serial -Xdiags:verbose -Xmaxwarns 10 -Xmaxerrs 10" />
+  </component>
+</project>

Data/.idea/dictionaries/lift.xml

@@ -0,0 +1,13 @@
+<component name="ProjectDictionaryState">
+  <dictionary name="lift">
+    <words>
+      <w>alovelace</w>
+      <w>algs</w>
+      <w>aturing</w>
+      <w>djvaughan</w>
+      <w>perceptrons</w>
+      <w>sedgewick</w>
+      <w>stddev</w>
+    </words>
+  </dictionary>
+</component>

Data/.idea/encodings.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" defaultCharsetForPropertiesFiles="UTF-8">
+    <file url="PROJECT" charset="UTF-8" />
+  </component>
+</project>

Data/.idea/externalDependencies.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalDependencies">
+    <plugin id="CheckStyle-IDEA" />
+    <plugin id="org.jetbrains.plugins.spotbugs" />
+    <plugin id="org.jetbrains.plugins.terminal" />
+  </component>
+</project>

Data/.idea/file.template.settings.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExportableFileTemplateSettings">
+    <default_templates>
+      <template name="Singleton.java" reformat="true" live-template-enabled="false" enabled="false" />
+    </default_templates>
+  </component>
+</project>

Data/.idea/fileTemplates/internal/AnnotationType.java

@@ -0,0 +1,6 @@
+#parse("File Header.java")
+
+#if (${PACKAGE_NAME} && ${PACKAGE_NAME} != "")package ${PACKAGE_NAME};#end
+
+public @interface ${NAME} {
+}

Data/.idea/fileTemplates/internal/Class.java

@@ -0,0 +1,9 @@
+#parse("File Header.java")
+
+#if (${PACKAGE_NAME} && ${PACKAGE_NAME} != "")package ${PACKAGE_NAME};#end
+
+public class ${NAME} {
+    public static void main(String[] args) {
+        
+    }
+}

Data/.idea/fileTemplates/internal/Enum.java

@@ -0,0 +1,6 @@
+#parse("File Header.java")
+
+#if (${PACKAGE_NAME} && ${PACKAGE_NAME} != "")package ${PACKAGE_NAME};#end
+
+public enum ${NAME} {
+}

Data/.idea/fileTemplates/internal/Interface.java

@@ -0,0 +1,6 @@
+#parse("File Header.java")
+
+#if (${PACKAGE_NAME} && ${PACKAGE_NAME} != "")package ${PACKAGE_NAME};#end
+
+public interface ${NAME} {
+}

Data/.idea/fileTemplates/internal/module-info.java

@@ -0,0 +1,4 @@
+#parse("File Header.java")
+
+module #[[$MODULE_NAME$]]# {
+}

Data/.idea/fileTemplates/internal/package-info.java

@@ -0,0 +1,3 @@
+#parse("File Header.java")
+
+#if (${PACKAGE_NAME} && ${PACKAGE_NAME} != "")package ${PACKAGE_NAME};#end

Data/.idea/findbugs-idea.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="FindBugs-IDEA">
+    <plugins>
+      <plugin id="com.mebigfatguy.fbcontrib" enabled="true" bundled="true" />
+    </plugins>
+    <excludeFilterFiles>
+      <filter file="$PROJECT_DIR$/.lift/spotbugs.xml" enabled="true" />
+    </excludeFilterFiles>
+  </component>
+</project>

Data/.idea/inspectionProfiles/profiles_settings.xml

@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="PROJECT_PROFILE" value="COS 126" />
+    <version value="1.0" />
+  </settings>
+</component>

Data/.idea/libraries/COS_126.xml

@@ -0,0 +1,16 @@
+<component name="libraryTable">
+  <library name="COS 126">
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/.lift/stdlib.jar!/" />
+      <root url="jar://$PROJECT_DIR$/.lift/introcs.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="https://introcs.cs.princeton.edu/java/stdlib/javadoc" />
+      <root url="https://introcs.cs.princeton.edu/java/code/javadoc" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$PROJECT_DIR$/.lift/stdlib.jar!/" />
+      <root url="jar://$PROJECT_DIR$/.lift/introcs.jar!/" />
+    </SOURCES>
+  </library>
+</component>

Data/.idea/libraries/introcs.xml

@@ -0,0 +1,16 @@
+<component name="libraryTable">
+  <library name="introcs">
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/.lift/stdlib.jar!/" />
+      <root url="jar://$PROJECT_DIR$/.lift/introcs.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="https://introcs.cs.princeton.edu/java/stdlib/javadoc" />
+      <root url="https://introcs.cs.princeton.edu/java/code/javadoc" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$PROJECT_DIR$/.lift/stdlib.jar!/" />
+      <root url="jar://$PROJECT_DIR$/.lift/introcs.jar!/" />
+    </SOURCES>
+  </library>
+</component>

Data/.idea/misc.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="false" project-jdk-name="11" project-jdk-type="JavaSDK" />
+</project>

Data/.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/COS 126.iml" filepath="$PROJECT_DIR$/COS 126.iml" />
+    </modules>
+  </component>
+</project>

Data/.idea/saveactions_settings.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="SaveActionSettings">
+    <option name="actions">
+      <set>
+        <option value="activate" />
+        <option value="organizeImports" />
+        <option value="reformat" />
+      </set>
+    </option>
+    <option name="configurationPath" value="" />
+  </component>
+</project>

Data/.idea/workspace.xml

@@ -0,0 +1,110 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="c1e4f978-b3bd-4ae1-84e9-9e1170bce808" name="Default" comment="" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="CodeInsightWorkspaceSettings">
+    <option name="optimizeImportsOnTheFly" value="true" />
+  </component>
+  <component name="CompilerWorkspaceConfiguration">
+    <option name="DISPLAY_NOTIFICATION_POPUP" value="false" />
+    <option name="CLEAR_OUTPUT_DIRECTORY" value="false" />
+  </component>
+  <component name="ErrorTreeViewConfiguration">
+    <option name="autoscrollToSource" value="true" />
+    <option name="IS_AUTOSCROLL_TO_SOURCE" value="true" />
+  </component>
+  <component name="FileTemplateManagerImpl">
+    <option name="SCHEME" value="Project" />
+  </component>
+  <component name="FindBugs-IDEA-Workspace">
+    <analyzeAfterCompile>true</analyzeAfterCompile>
+    <toolWindowToFront>false</toolWindowToFront>
+  </component>
+  <component name="FormatOnSaveOptions">
+    <option name="myRunOnSave" value="true" />
+  </component>
+  <component name="OptimizeOnSaveOptions">
+    <option name="myRunOnSave" value="true" />
+  </component>
+  <component name="ProjectFrameBounds">
+    <option name="x" value="106" />
+    <option name="y" value="23" />
+    <option name="width" value="938" />
+    <option name="height" value="765" />
+  </component>
+  <component name="ProjectId" id="2BZwWqOJeDbrQGpNxQL7XU2irA8" />
+  <component name="ProjectView">
+    <navigator currentView="ProjectPane" proportions="" version="1">
+      <showLibraryContents PackagesPane="false" />
+      <autoscrollToSource PackagesPane="true" ProjectPane="true" />
+      <autoscrollFromSource PackagesPane="true" ProjectPane="true" />
+      <sortByType Scope="true" PackagesPane="true" ProjectPane="true" />
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="Scope" />
+      <pane id="ProjectPane">
+        <subPane>
+          <expand />
+        </subPane>
+        <option name="show-excluded-files" value="false" />
+      </pane>
+      <pane id="PackagesPane">
+        <subPane>
+          <select />
+        </subPane>
+      </pane>
+    </panes>
+  </component>
+  <component name="ProjectViewState">
+    <option name="abbreviatePackageNames" value="true" />
+    <option name="autoscrollFromSource" value="true" />
+    <option name="autoscrollToSource" value="true" />
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showExcludedFiles" value="false" />
+    <option name="showModules" value="false" />
+    <option name="sortByType" value="true" />
+  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="project-level" UseSingleDictionary="true" transferred="true" />
+  <component name="TodoView">
+    <todo-panel id="selected-file">
+      <is-autoscroll-to-source value="true" />
+    </todo-panel>
+    <todo-panel id="all">
+      <are-packages-shown value="true" />
+      <is-autoscroll-to-source value="true" />
+    </todo-panel>
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="106" y="23" width="938" height="765" extended-state="0" />
+    <editor active="true" />
+    <layout>
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.21428572" />
+      <window_info id="Structure" order="1" show_stripe_button="false" side_tool="true" weight="0.25" />
+      <window_info id="Designer" order="2" />
+      <window_info id="Favorites" order="3" show_stripe_button="false" side_tool="true" />
+      <window_info anchor="bottom" id="Message" order="0" />
+      <window_info anchor="bottom" id="Find" order="1" />
+      <window_info anchor="bottom" id="Run" order="2" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
+      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
+      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
+      <window_info anchor="bottom" id="TODO" order="6" show_stripe_button="false" weight="0.32904148" />
+      <window_info anchor="bottom" id="CheckStyle" order="7" />
+      <window_info anchor="bottom" id="Version Control" order="8" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Terminal" order="9" />
+      <window_info anchor="bottom" id="Event Log" order="10" side_tool="true" />
+      <window_info anchor="bottom" id="Messages" order="11" weight="0.32825485" />
+      <window_info anchor="bottom" id="FindBugs-IDEA" order="12" />
+      <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
+      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
+      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
+      <window_info anchor="right" id="Palette&#9;" order="3" />
+    </layout>
+  </component>
+</project>

Data/.lift/checkstyle-suppressions.xml

@@ -0,0 +1,359 @@
+<?xml version="1.0"?>
+<!DOCTYPE suppressions PUBLIC
+    "-//Checkstyle//DTD SuppressionFilter Configuration 1.2//EN"
+    "https://checkstyle.org/dtds/suppressions_1_2.dtd">
+
+<suppressions>
+
+    <!--  ***********************************************************************  -->
+    <!--  STDLIB.JAR EXCEPTIONS                                                    -->
+    <!--  ***********************************************************************  -->
+
+    <suppress checks="ParameterAssignmentCheck"
+              files="(Draw|StdDraw).java"/>
+
+    <suppress checks="IllegalCatch"
+              files="(In|StdDraw|Draw|StdAudio).java"/>
+
+    <suppress id="IllegalType"
+              files="(StdDraw|Draw|StdIn|In|Out|StdOut).java"/>
+
+    <suppress id="FloatType"
+              files="(StdDraw|Draw|StdIn|In|Out|StdOut|StdAudio).java"/>
+
+    <suppress id="BitwiseAnd"
+              files="(StdRandom|BinaryStdIn|BinaryStdOut|BinaryIn|BinaryOut|StdAudio|Picture|GrayscalePicture).java"/>
+
+    <suppress id="BitwiseOr"
+              files="(BinaryStdOut|BinaryStdIn|BinaryIn|BinaryOut).java"/>
+
+    <suppress id="InterfaceType"
+              files="(DrawListener).java"/>
+
+    <suppress id="Synchronized"
+              files="(StdDraw|Draw|StdAudio).java"/>
+
+    <suppress files="StdDraw3D.java" checks="[a-zA-Z0-9]*"/>
+
+    <suppress files="StdInTest.java" checks="[a-zA-Z0-9]*"/>
+
+    <suppress files="APIChecker.java" checks="[a-zA-Z0-9]*"/>
+
+    <suppress files="AutocompleteGUI.java" checks="[a-zA-Z0-9]*"/>
+
+    <suppress files="Keyboard.java" checks="IllegalImport|IllegalToken|StringLiteralCount|ModifiedControlVariable|MyIllegalType"/>
+
+    <!--  ***********************************************************************  -->
+    <!--  ALGS4.JAR EXCEPTIONS                                                     -->
+    <!--  ***********************************************************************  -->
+
+    <!-- phi() and Phi(), which are now deprecated -->
+    <suppress checks="MethodNameCheck"
+              files="(Gaussian|ErrorFunction).java"/>
+
+    <suppress checks="EmptyStatement"
+              files="(Evaluate|Quick3stringX).java"/>
+
+    <!-- median of 3 -->
+    <suppress checks="AvoidInlineConditionals"
+              files="Quick.*.java"/>
+
+    <suppress checks="ParameterAssignmentCheck"
+              files="(.*BST|UF|MinPQ|MaxPQ|Heap|Heapify|.*TST|Trie.*|StringSET).java"/>
+
+    <suppress checks="ParameterAssignmentCheck"
+              files="(SuffixArrayMerge|SuffixArrayX|Manber).java"/>
+
+    <suppress checks="ParameterNumberCheck"
+              files="TraceBentleyMcIlroyPartition.java"/>
+
+    <suppress checks="EmptyStatement"
+              files="(QuickX).java"/>
+
+    <suppress id="Wrapper"
+              files="(IndexMinPQ|IndexMaxPQ|AdjMatrixGraph|AdjMatrixDigraph).java"/>
+
+    <suppress id="Wrapper"
+              files="(Autoboxing|MutableInteger|SortCompare|.*Reflection|.*OfInts|.*OfIntegers|Memory.*).java"/>
+
+    <suppress id="Wrapper"
+              files="(KendallTau|Inversions|Distinct|SecureShuffle|PermutationInplace).java"/>
+
+    <!-- shifting and masking -->
+    <suppress id="BitwiseAnd"
+              files="(PatriciaSET|PatriciaST|LSD|MSD|HexDump|OneWay|AmericanFlag|AmericanFlagX|.*HashST).java"/>
+
+    <!-- intentionally buggy program -->
+    <suppress checks="CovariantEquals"
+              files="CovariantPhoneNumber.java"/>
+
+    <!-- has a deeply nested loop -->
+    <suppress checks="NestedForDepth"
+              files="EuclideanGraph.java"/>
+
+    <!-- more than one statement per line -->
+    <suppress checks="OneStatementPerLine"
+              files="Inversions.java"/>
+
+    <!-- long line -->
+    <suppress checks="LineLength"
+              files="Inversions.java"/>
+
+    <!-- methods named V() and E() -->
+    <suppress checks="MethodName"
+              files="(Digraph|Graph|Network|GraphX).java"/>
+
+    <!-- RM for RabinKarp -->
+    <suppress checks="MemberName"
+              files="RabinKarp.java"/>
+
+    <!-- Calls Math.random() -->
+    <suppress id="AvoidMathRandom"
+              files="Knuth.java"/>
+
+    <!-- Calls Math.pow(x, 0.5) -->
+    <suppress id="Sqrt"
+              files="Stopwatch(CPU)?.java"/>
+
+    <!-- Local variable named H -->
+    <suppress checks="LocalVariableName"
+              files="(GlobalMincut|UniqueMincut|DirectedEulerianPath|DirectedEulerianCycle|BipartiteMatchingToMaxflow).java"/>
+
+    <!-- Local variable named F -->
+    <suppress checks="LocalVariableName"
+              files="(Bipartite|BipartiteX|DirectedCycleX|EdgeWeightedDirectedCycle|TopologicalX).java"/>
+
+    <!-- parameters named V1 and V2 -->
+    <suppress checks="ParameterName"
+              files="(Digraph|Graph)Generator.java"/>
+
+    <!-- method named R(), now deprecated -->
+    <suppress checks="MethodName"
+              files="Alphabet.java"/>
+
+    <!-- method named R2() -->
+    <suppress checks="MethodName"
+              files=".*Regression.java"/>
+
+    <!-- copy constructor -->
+    <suppress checks="HiddenField"
+              files="(Digraph|Graph|Network|RabinKarp).java"/>
+
+
+    <suppress files="MultiwayMinPQ.java"          checks="[a-zA-Z0-9]*"/>
+    <suppress files="FibonacciMinPQ.java"         checks="[a-zA-Z0-9]*"/>
+    <suppress files="BinomialMinPQ.java"          checks="[a-zA-Z0-9]*"/>
+    <suppress files="FenwickTree.java"            checks="[a-zA-Z0-9]*"/>
+    <suppress files="SegmentTree.java"            checks="[a-zA-Z0-9]*"/>
+    <suppress files="TestLayoutBug.java"          checks="[a-zA-Z0-9]*"/>
+    <suppress files=".*DualPivotQuicksort.*.java" checks="[a-zA-Z0-9]*"/>
+    <suppress files="BentleyMcIlroyJava6.java"    checks="[a-zA-Z0-9]*"/>
+    <suppress files="Sort[3-6].java"              checks="[a-zA-Z0-9]*"/>
+
+
+    <!--  ***********************************************************************  -->
+    <!--  INTROCS.JAR EXCEPTIONS                                                   -->
+    <!--  ***********************************************************************  -->
+
+    <!-- intentionally misindented program -->
+    <suppress checks="Indentation" files="Factors2.java"/>
+
+    <suppress checks="ParameterNumberCheck"
+              files="PlasmaCloud.*.java"/>
+
+    <suppress checks="SuppressWarningsCheck"
+              files="(HashST|SET|Insertion|Merge).java"/>
+
+    <suppress checks="StringLiteralCount"
+              files="(PotentialGene|Merge|Insertion|Complex|HashST|StockQuote).java"/>
+
+    <suppress checks="MemberNameCheck"
+              files="(Graph).java"/>
+
+    <!-- StdRandom does some unusual things -->
+    <suppress checks="IllegalImportCheck"
+              files="StdRandom.java"/>
+    <suppress checks="IllegalTypeCheck"
+              files="StdRandom.java"/>
+    <suppress checks="InnerAssignmentCheck"
+              files="StdRandom.java"/>
+    <suppress checks="IllegalMethodCallCheck"
+              files="StdRandom.java"/>
+    <suppress id="StaticInitializer"
+              files="StdRandom.java"/>
+
+    <!-- need Double[] to pass as Comparable[] -->
+    <suppress id="Wrapper"
+              files="InsertionTest.java"/>
+
+    <!-- Calls Math.random() -->
+    <suppress id="AvoidMathRandom"
+              files="(CouponCollector|Coupon|Flip|Gambler|RandomInt|RandomSeq|RandomSurfer|Sample|SelfAvoidingWalk|TwentyQuestions|MusicalDiceGame|PerfectShuffle).java"/>
+
+    <!-- use type parameter upper and lower bounds -->
+    <suppress id="TypeParameter"
+              files="(BST|SET|ST).java"/>
+
+    <!--  ***********************************************************************  -->
+    <!--  COS 126 PROGRAMMING ASSIGNMENT/PRECEPT EXCEPTIONS                        -->
+    <!--  ***********************************************************************  -->
+
+    <!-- Calls Math.random() -->
+    <suppress id="AvoidMathRandom"
+              files="(RandomWalker|RandomWalkers|RollDice|RollDie|RollLoadedDie|Ball|Birthday|RandomPokerHands).java"/>
+
+    <!-- throw RuntimeException is ok in RingBuffer because we've just introduced exceptions -->
+    <suppress checks="IllegalThrows"
+              files="(RingBuffer).java"/>
+
+    <!-- students need ^ as xor operator in LFSR and PhotoMagic -->
+    <!-- students may use bit-whacking in LFSR, but limits register size -->
+    <!-- HammingEncoder, HammingDecoder, and TOY do some bit-whacking -->
+    <suppress id="BitwiseAnd"
+              files="(LFSR|HammingEncoder|HammingDecoder|TOY).java"/>
+    <suppress id="BitwiseOr"
+              files="(LFSR|HammingEncoder|HammingDecoder|TOY).java"/>
+    <suppress id="BitwiseXor"
+              files="(LFSR|PhotoMagic|HammingEncoder|HammingDecoder|TOY).java"/>
+
+    <!-- convenient to put multiple statements on one line -->
+    <suppress checks="OneStatementPerLine"
+              files="(TOY).java"/>
+
+    <!-- programming exams that uses generics (seems needed for generic types only in Checkstyle 8.14, bug?)  -->
+    <suppress id="Wrapper"
+              files="(RollingStats|NgonArt|MiniPro|MiniPro2|Election).java"/>
+
+    <!-- has a quadruple nested loop -->
+    <suppress checks="NestedForDepth"
+              files="(KernelFilter).java"/>
+
+    <!--  ***********************************************************************  -->
+    <!--  COS 226 PROGRAMMING ASSIGNMENT EXCEPTIONS                                -->
+    <!--  ***********************************************************************  -->
+
+    <!-- codePost has a limit on the length of a filename -->
+    <suppress id="LongFileName"
+              files="(InteractivePercolationVisualizer).java"/>
+
+    <!-- PercolationVisualizer uses java.awt.Font -->
+    <suppress checks="IllegalImport"
+              files="(PercolationVisualizer).java"/>
+
+    <!-- has a quadruple nested loop -->
+    <suppress checks="NestedForDepth"
+              files="(BruteCollinearPoints|Board|SolverVisualizer).java"/>
+
+    <!-- UnicodeTest has non-ASCII characters in header -->
+    <suppress id="NotASCII"
+              files="(UnicodeTest).java"/>
+
+    <!-- id does not support regular expressions, so need two separate suppression statements -->
+    <suppress id="FloatType"
+              files="SCUtility.java"/>
+    <suppress id="FloatLiteral"
+              files="SCUtility.java"/>
+
+    <!-- x0 = x1 = StdDraw.mouseX() in RangeSearchVisualizer -->
+    <suppress checks="InnerAssignmentCheck"
+              files="(RangeSearchVisualizer).java"/>
+
+    <!-- clean implementations can use many parameters -->
+    <suppress checks="ParameterNumberCheck"
+              files="(EnhancedKdTreeST|KdTree|KdTreeST).java"/>
+
+    <!-- clean implementations can update champion variable, which is passed as an argument -->
+    <suppress checks="ParameterAssignmentCheck"
+              files="(EnhancedKdTreeST|KdTree|KdTreeST).java"/>
+
+    <!-- students might legitimately use & as bitwise and in SeamCarving, BurrowsWheeler, or MoveToFront -->
+    <!-- students might legitimately use | as bitwise or operator in SeamCarving -->
+    <suppress id="BitwiseAnd"
+              files="(SeamCarver|BurrowsWheeler|MoveToFront).java"/>
+    <suppress id="BitwiseOr"
+              files="(SeamCarver|BurrowsWheeler|MoveToFront).java"/>
+
+    <!-- students often use Integer or Double when unit testing Deque and RandomizedQueue -->
+    <suppress id="Wrapper"
+              files="(Deque|RandomizedQueue|BinarySearchDeluxe).java"/>
+
+    <!-- students need to use Integer to check for null entry in Iterable -->
+    <suppress id="Wrapper"
+              files="(ShortestCommonAncestor|SAP|DeluxeBFS).java"/>
+
+
+    <!-- *********************************************************************** -->
+    <!--  IGNORE HEADER CHECKS EXCEPT ON CERTAIN FILES                             -->
+    <!--  ***********************************************************************  -->
+
+    <!-- suppress header check except on COS 126 and COS 226 required files -->
+    <!-- this formatting hack seems to enable us to split regexp over several lines  -->
+    <suppress id="Header"
+              files="^(?!.*\b(readme.txt|
+                         |HelloWorld.java|HiFour.java|SumThree.java|Ordered.java|GreatCircle.java|RGBtoCMYK.java|
+                         |Bits.java|Checkerboard.java|NoonSnooze.java|RandomWalker.java|RandomWalkers.java|RollDice.java|  
+                         |NBody.java|
+                         |Transform2D.java|Sierpinski.java|Art.java|
+                         |LFSR.java|PhotoMagic.java|
+                         |RingBuffer.java|GuitarString|GuitarHero.java|
+                         |MarkovModel.java|TextGenerator.java|
+                         |Tour.java|
+                         |Blob.java|BeadFinder.java|BeadTracker.java|Avogadro.java|
+                         |Percolation.java|PercolationStats.java|
+                         |Deque.java|RandomizedQueue.java|Permutation.java|
+                         |Autocomplete.java|BinarySearchDeluxe.java|Term.java|
+                         |Board.java|Solver.java|
+                         |PointST.java|KdTreeST.java|
+                         |WordNet.java|ShortestCommonAncestor.java|Outcast.java|
+                         |SeamCarver.java|
+                         |MoveToFront.java|BurrowsWheeler.java)$).*$"/>
+
+    <!--  ***********************************************************************  -->
+    <!--  IGNORE LINELENGTH, MAINCALLS, and COMMENT EXCEPT ON CERTAIN FILES        -->
+    <!--  ***********************************************************************  -->
+
+
+    <!-- don't require main to call directly the one public method in API -->
+    <suppress checks="MainCallsAllPublicMethods"
+              files="(ImageClassifier).java"/>
+
+    <suppress checks="LineLengthCheck|MainCallsAllPublicMethods|CommentCheck"
+              files="^(?!.*(HiFour|SumThree|Ordered|GreatCircle|RGBtoCMYK|
+                         |Bits|Checkerboard|NoonSnooze|RandomWalker|RandomWalkers|RollDice|
+                         |NBody|
+                         |Greeting|SayHelloWorld|
+                         |Triangle|CMYKtoRGB|Brighter|MilitaryTime|
+                         |MusicLoop|MajorScale|DeluxeMajorScale|MusicalDiceGame|
+                         |ReverseSoundWave|Superpose|EchoFilter|PerfectShuffle|
+                         |ViewSoundWave|Quilt|WorldMap|SepiaFilter|
+                         |Synth|
+                         |Transform2D|Sierpinski|Art|
+                         |LFSR|PhotoMagic|
+                         |ImageClassifier|Perceptron|MultiPerceptron|
+                         |RingBuffer|GuitarString|GuitarHero|
+                         |MarkovModel|TextGenerator|
+                         |Tour|
+                         |Blob|BeadFinder|BeadTracker|Avogadro|
+                         |Percolation|PercolationStats|
+                         |Deque|RandomizedQueue|
+                         |Autocomplete|BinarySearchDeluxe|Term|
+                         |Board|Solver|
+                         |PointST|KdTreeST|
+                         |WordNet|ShortestCommonAncestor|
+                         |SeamCarver|
+                         |MoveToFront|BurrowsWheeler|
+                         |HelloGoodbye|RightTriangle|GreatCircle|CMYKtoRGB|
+                         |GeneralizedHarmonic|BandMatrix|RandomWalker|RandomWalkers|
+                         |DiscreteDistribution|ThueMorse|Birthday|
+                         |ShannonEntropy|Checkerboard|WorldMap|
+                         |ActivationFunction|Divisors|AudioCollage|
+                         |TrinomialBrute|TrinomialDP|RevesPuzzle|
+                         |Inversions|Ramanujan|MaximumSquareSubmatrix|
+                         |Huntingtons|KernelFilter|
+                         |ColorHSB|Clock|
+                         |BruteCollinearPoints|FastCollinearPoints|Point|
+                         |BaseballElimination|
+                         |BoggleSolver|
+                     ).java$).*$"/>
+</suppressions>
+

Data/.lift/spotbugs.xml

@@ -0,0 +1,543 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<FindBugsFilter
+    xmlns="https://github.com/spotbugs/filter/3.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://github.com/spotbugs/filter/3.0.0 https://raw.githubusercontent.com/spotbugs/spotbugs/3.1.0/spotbugs/etc/findbugsfilter.xsd">
+
+    <!-- Bug descriptions:   http://spotbugs.readthedocs.io/en/latest/bugDescriptions.html  -->
+    <!-- Filter file format: http://spotbugs.readthedocs.io/en/latest/filter.html    -->
+
+    <!-- Match all violations. -->
+    <!-- But ignore these:
+           * comparator should be serializable
+           * something else dealing with serialization
+           * format string should use %n instead of /n
+           * inner class should be static (awkard, but possible with generics)
+           * using entrySet() is more efficient than keySet(), but it is awkward
+           * uses non-localized toLowerCase() or toUpperCase()
+           * switch statement with no default; seems OK when used for cases with (int) (4 * Math.random())
+           * class  naming convention (defer to Checkstyle)
+           * method naming convention (defer to Checkstyle)
+           * unused field (defer to PMD/IntelliJ since it highlight entire class)
+           * class defines compareTo() and inherits equals()
+      -->
+    <Match>
+        <BugPattern name="SE_COMPARATOR_SHOULD_BE_SERIALIZABLE,
+                          SE_BAD_FIELD,
+                          VA_FORMAT_STRING_USES_NEWLINE,
+                          SIC_INNER_SHOULD_BE_STATIC,
+                          WMI_WRONG_MAP_ITERATOR,
+                          DM_CONVERT_CASE,
+                          SF_SWITCH_NO_DEFAULT,
+                          NM_METHOD_NAMING_CONVENTION,
+                          NM_CLASS_NAMING_CONVENTION,
+                          NM_FIELD_NAMING_CONVENTION,
+                          EQ_COMPARETO_USE_OBJECT_EQUALS" />
+    </Match>
+
+    <!-- from fb-contrib-7.4.3.jar plugin -->
+    <!-- FCBL_FIELD_COULD_BE_LOCAL redundant with PMD -->  
+    <!-- PME_POOR_MANS_ENUM  we disallow enum and seems to have false positives -->
+    <!-- OCP_OVERLY_CONCRETE_PARAMETER wants Picture to be defines as java.awt.event.ActionListener -->
+    <!-- NAB_NEEDLESS_BOXING_VALUEOF wants stack.push(Integer.valueOf(s)) instead of stack.push(Integer.parseInt(s)) -->
+    <!-- CBX_CUSTOM_BUILT_XML flags StdOut.println("> " + (r1.size() == 0)); -->
+
+    <!-- TODO: Java 7 - replace CHARSET_NAME with java.nio.charset.StandardCharsets.UTF_8 and eliminate
+                        CSI_CHAR_SET_ISSUES_USE_STANDARD_CHARSET,
+                        CSI_CHAR_SET_ISSUES_USE_STANDARD_CHARSET_NAME,
+    -->
+
+    <!-- TODO: use java.nio.file.Files.newInputStream and java.nio.file.Files.newOutputStream
+               to eliminate IOI_USE_OF_FILE_STREAM_CONSTRUCTORS 
+    -->
+
+    <Match>
+        <BugPattern name="AI_ANNOTATION_ISSUES_NEEDS_NULLABLE,
+                          BL_BURYING_LOGIC,
+                          CBX_CUSTOM_BUILT_XML,
+                          CC_CYCLOMATIC_COMPLEXITY,
+                          CE_CLASS_ENVY,
+                          CLI_CONSTANT_LIST_INDEX,
+                          CSI_CHAR_SET_ISSUES_USE_STANDARD_CHARSET,
+                          CSI_CHAR_SET_ISSUES_USE_STANDARD_CHARSET_NAME,
+                          EXS_EXCEPTION_SOFTENING_NO_CONSTRAINTS,
+                          FCBL_FIELD_COULD_BE_LOCAL,
+                          CNC_COLLECTION_NAMING_CONFUSION,
+                          IMC_IMMATURE_CLASS_NO_EQUALS,
+                          IMC_IMMATURE_CLASS_NO_PACKAGE,
+                          IMC_IMMATURE_CLASS_NO_TOSTRING,
+                          IMC_IMMATURE_CLASS_NO_HASHCODE,
+                          IMC_IMMATURE_CLASS_WRONG_FIELD_ORDER,
+                          IOI_USE_OF_FILE_STREAM_CONSTRUCTORS,
+                          ISB_EMPTY_STRING_APPENDING,
+                          ISB_INEFFICIENT_STRING_BUFFERING,
+                          ISB_TOSTRING_APPENDING,
+                          LSC_LITERAL_STRING_COMPARISON,
+                          MAC_MANUAL_ARRAY_COPY,
+                          MDM_RANDOM_SEED,
+                          MUI_CONTAINSKEY_BEFORE_GET,
+                          NAB_NEEDLESS_BOXING_VALUEOF,
+                          OPM_OVERLY_PERMISSIVE_METHOD,
+                          OCP_OVERLY_CONCRETE_PARAMETER,
+                          PCOA_PARTIALLY_CONSTRUCTED_OBJECT_ACCESS,
+                          PCAIL_POSSIBLE_CONSTANT_ALLOCATION_IN_LOOP,
+                          PL_PARALLEL_LISTS,
+                          PME_POOR_MANS_ENUM,
+                          PRMC_POSSIBLY_REDUNDANT_METHOD_CALLS,
+                          PSC_PRESIZE_COLLECTIONS,
+                          S508C_NON_TRANSLATABLE_STRING,
+                          SACM_STATIC_ARRAY_CREATED_IN_METHOD,
+                          SCR_SLOPPY_CLASS_REFLECTION,
+                          SEO_SUBOPTIMAL_EXPRESSION_ORDER,
+                          SPP_TEMPORARY_TRIM,
+                          STT_STRING_PARSING_A_FIELD,
+                          UCPM_USE_CHARACTER_PARAMETERIZED_METHOD,
+                          USBR_UNNECESSARY_STORE_BEFORE_RETURN,
+                          UVA_USE_VAR_ARGS,
+                          URF_UNREAD_FIELD,
+                          UUF_UNUSED_FIELD,
+                          WEM_WEAK_EXCEPTION_MESSAGING" />
+    </Match>
+
+    
+
+    <!-- Ignore DLS_DEAD_LOCAL_STORE for low-confidence warnings (3)
+         Otherwise it will flag code like the following:
+             for (String x : set)
+                 count++;
+    -->
+    <Match>
+        <BugPattern name="DLS_DEAD_LOCAL_STORE, UWF_FIELD_NOT_INITIALIZED_IN_CONSTRUCTOR" />
+        <Confidence value="3" />
+    </Match>
+
+    <!-- Ignore SCRV_SUSPICIOUS_COMPARATOR_RETURN_VALUES for low-confidence warnings (3)
+         to avoid false positives in compare() -->
+    <Match>
+        <BugPattern name="SCRV_SUSPICIOUS_COMPARATOR_RETURN_VALUES" />
+        <Confidence value="3" />
+    </Match>
+
+    <!--  ***********************************************************************  -->
+    <!--  STDLIB.JAR EXCEPTIONS                                                    -->
+    <!--  ***********************************************************************  -->
+
+    <Match>
+        <Class name = "~.*(Std)?Draw" />
+        <BugPattern name="ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD, DE_MIGHT_IGNORE" />
+    </Match>
+
+    <Match>
+        <Class name = "~.*StdAudio" />
+        <BugPattern name="DM_EXIT" />
+    </Match>
+
+    <Match>
+        <Class name = "~.*In" />
+        <BugPattern name="DMI_HARDCODED_ABSOLUTE_FILENAME" />
+    </Match>
+
+    <Match>
+        <Class name = "~.*(In|StdIn)" />
+        <BugPattern name="LEST_LOST_EXCEPTION_STACK_TRACE" />
+    </Match>
+
+    <Match>
+        <Class name = "~.*(BinaryIn|BinaryOut|BinaryStdIn|BinaryStdOut)" />
+        <BugPattern name="FCCD_FIND_CLASS_CIRCULAR_DEPENDENCY" />
+    </Match>
+
+    <Match>
+        <Class name = "~.*(BinaryOut|BinaryStdOut|Draw|Out|Picture|StdAudio|StdDraw)" />
+        <BugPattern name="IMC_IMMATURE_CLASS_PRINTSTACKTRACE" />
+    </Match>
+
+    <Match>
+        <Class name = "~.*(Draw|StdDraw)" />
+        <BugPattern name="MDM_THREAD_YIELD" />
+    </Match>
+
+    <!-- false positive -->
+    <Match>
+        <Class name = "~.*(StdRandom)" />
+        <Method name="poisson" params="double" returns="int" />
+        <BugPattern name="MRC_METHOD_RETURNS_CONSTANT" />
+    </Match>
+
+
+    <!--  ***********************************************************************  -->
+    <!--  INTRO TO PROGRAMMING IN JAVA EXCEPTIONS                                  -->
+    <!--  ***********************************************************************  -->
+
+    <Match>
+        <Class name = "~.*Bug.*" />
+    </Match>
+
+    <Match>
+        <Class name = "Confusion" />
+        <BugPattern name="SA_LOCAL_SELF_ASSIGNMENT, DLS_OVERWRITTEN_INCREMENT" />
+    </Match>
+
+    <!-- Double.valueOf() not introduced, so better to use Double.parseDouble()  -->
+    <Match>
+        <Class name = "Evaluate" />
+        <BugPattern name="NAB_NEEDLESS_BOXING_VALUEOF" />
+    </Match>
+
+    <Match>
+        <Class name = "PassByValue" />
+        <BugPattern name="IP_PARAMETER_IS_DEAD_BUT_OVERWRITTEN" />
+    </Match>
+
+    <Match>
+        <Class name = "ArrayExamples" />
+        <BugPattern name="DMI_INVOKING_TOSTRING_ON_ARRAY" />
+    </Match>
+
+    <Match>
+        <Class name = "PhoneNumber" />
+        <BugPattern name="SA_LOCAL_SELF_COMPARISON" />
+    </Match>
+
+    <Match>
+        <Class name = "HashCode" />
+        <BugPattern name="ES_COMPARING_STRINGS_WITH_EQ,DM_STRING_CTOR" />
+    </Match>
+
+    <Match>
+        <Class name = "~NoBaseCase|NoConvergence" />
+        <BugPattern name="IL_INFINITE_RECURSIVE_LOOP" />
+    </Match>
+
+    <!-- Exclude Gaussian.Phi() test for floating-point equality. -->
+    <Match>
+        <Class name = "Gaussian" />
+        <BugPattern name="FE_FLOATING_POINT_EQUALITY" />
+    </Match>
+
+    <!-- generating random integers before StdRandom.uniform() is introduced -->
+    <Match>
+        <Class name = "~Coupon|CouponCollector|TwentyQuestions|Craps|Functions|
+                              |Mozart|Birthday|Birthdays|RollDie|SumOfTwoDice|
+                              |RandomStudent|Sicherman|Chaos|DiscreteDistribution|
+                              |MonteHall|MostLikelyRoll" />
+        <BugPattern name="DM_NEXTINT_VIA_NEXTDOUBLE" />
+    </Match>
+
+
+    <!-- string concatenation before StringBuffer is introduced -->
+    <Match>
+        <Class name = "~RulerN|DigitReverser|Loops|LongestCommonSubsequence|
+                              |ThueMorse|Ordinal|DeBruijn|Soundex|Repeat|
+                              |Quote|CircularQuote" />
+        <BugPattern name="SBSC_USE_STRINGBUFFER_CONCATENATION" />
+    </Match>
+
+    <!-- we are measuring side effect of elapsed time -->
+    <Match>
+        <Class name = "DoublingTest" />
+        <BugPattern name="DLS_DEAD_LOCAL_STORE" />
+    </Match>
+
+
+    <!--  ***********************************************************************  -->
+    <!--  ALGS4.JAR EXCEPTIONS                                                     -->
+    <!--  ***********************************************************************  -->
+
+    <!-- techincally, need (edu\.princeton\.cs\.algs4\.)? instead of .* for package version -->
+    <Match>
+        <Class name = "~.*(BellmanFordSP|DijkstraSP|DynamicProgrammingSP|UniqueMincut|
+                                        |Hungarian|DijkstraUndirectedSP)" />
+        <BugPattern name="FE_FLOATING_POINT_EQUALITY" />
+    </Match>
+
+    <Match>
+        <Class name = "~.*Doubling.*" />
+        <BugPattern name="RV_RETURN_VALUE_IGNORED_NO_SIDE_EFFECT,UC_USELESS_OBJECT" />
+    </Match>
+
+    <Match>
+        <Class name = "~(Autoboxing|DualPivotQuicksort)" />
+    </Match>
+
+    <Match>
+        <Class name = "~Mutable(String|Integer)" />
+        <BugPattern name="DP_DO_INSIDE_DO_PRIVILEGED" />
+    </Match>
+
+    <Match>
+        <Class name = "~AntiQuicksorter.*" />
+        <BugPattern name="HE_EQUALS_USE_HASHCODE, HE_EQUALS_NO_HASHCODE" />
+    </Match>
+
+    <Match>
+        <Class name = "BrokenShuffle" />
+        <BugPattern name="DM_NEXTINT_VIA_NEXTDOUBLE" />
+    </Match>
+
+    <Match>
+        <Class name = "~.*RabinKarp" />
+        <BugPattern name="UPM_UNCALLED_PRIVATE_METHOD" />
+    </Match>
+
+    <Match>
+        <Class name = "CovariantPhoneNumber" />
+        <BugPattern name="EQ_SELF_USE_OBJECT" />
+    </Match>
+
+    <Match>
+        <Class name = "~.*MemoryOf.*" />
+        <BugPattern name="DM_NUMBER_CTOR" />
+    </Match>
+
+    <Match>
+        <Class name = "Concatenate" />
+        <BugPattern name="SBSC_USE_STRINGBUFFER_CONCATENATION" />
+    </Match>
+
+    <Match>
+        <Class name = "~(edu.princeton.cs.algs4.)?Student" />
+        <BugPattern name="SA_LOCAL_SELF_COMPARISON, EC_UNRELATED_TYPES" />
+    </Match>
+
+    <Match>
+        <Class name = "~(edu.princeton.cs.algs4.)?Person" />
+        <BugPattern name="SA_LOCAL_SELF_COMPARISON" />
+    </Match>
+
+    <!-- These properly handle NaN and -0.0 -->
+    <Match>
+        <Class name = "~(edu.princeton.cs.algs4.)?(Transaction|Interval1D|Point2D).*" />
+        <BugPattern name="FE_FLOATING_POINT_EQUALITY,CO_COMPARETO_INCORRECT_FLOATING" />
+    </Match>
+
+    <Match>
+        <Class name = "~(edu.princeton.cs.algs4.)?(GaussJordanElimination|GaussianElimination)" />
+        <BugPattern name="PZLA_PREFER_ZERO_LENGTH_ARRAYS" />
+    </Match>
+
+    <Match>
+        <Class name = "~.*(SET)" />
+        <BugPattern name="ITU_INAPPROPRIATE_TOSTRING_USE,OCP_OVERLY_CONCRETE_PARAMETER" />
+    </Match>
+
+    <Match>
+        <Class name = "~.*((Index)?(Binomial|Fibonacci)(Min|Max)PQ)" />
+        <BugPattern name="CFS_CONFUSING_FUNCTION_SEMANTICS" />
+    </Match>
+
+
+    <!--  ***********************************************************************  -->
+    <!--  COS 126 PROGRAMMING ASSIGNMENT EXCEPTIONS                                -->
+    <!--  ***********************************************************************  -->
+
+    <!-- n will always be non-negative -->
+    <Match>
+        <Class name = "~(Checkerboard)(126)?" />
+        <BugPattern name="IM_BAD_CHECK_FOR_ODD" />
+    </Match>
+
+    <!-- generating random integers before StdRandom.uniform() is introduced -->
+    <Match>
+        <Class name = "~(RollDice|TenDice|RandomWalker|RandomWalkers|Art|MusicalDiceGame|PerfectShuffle)(126)?" />
+        <BugPattern name="DM_NEXTINT_VIA_NEXTDOUBLE" />
+    </Match>
+
+    <!-- ok to return null in copy() if argument is null -->
+    <Match>
+        <Class name = "~(Transform2D)(126)?" />
+        <Method name="copy" params="double[]" returns="double[]" />
+        <BugPattern name="PZLA_PREFER_ZERO_LENGTH_ARRAYS" />
+    </Match>
+
+    <!-- GUI is side effect -->
+    <Match>
+        <Class name = "Keyboard" />
+        <BugPattern name="DLS_DEAD_LOCAL_STORE" />
+    </Match>
+
+    <!-- need to read m, width, and height for training images, but don't need to store -->
+    <Match>
+        <Class name = "ImageClassifier" />
+        <BugPattern name="DLS_DEAD_LOCAL_STORE" />
+    </Match>
+
+    <!-- false positive in LFSR with String instance variable -->
+    <Match>
+        <Class name = "~(LFSR)" />
+        <BugPattern name="STT_TOSTRING_STORED_IN_FIELD" />
+    </Match>
+
+    <!-- string concatenation before StringBuffer is introduced -->
+    <Match>
+        <Class name = "~(LFSR|MarkovModel|Perceptron|MultiPerceptron)(126)?" />
+        <BugPattern name="SBSC_USE_STRINGBUFFER_CONCATENATION" />
+    </Match>
+
+    <Match>
+        <Class name = "~(RingBuffer)(126)?" />
+        <Method name="toString" params="" returns="java.lang.String" />
+        <BugPattern name="SBSC_USE_STRINGBUFFER_CONCATENATION" />
+    </Match>
+
+<!--
+    <Match>
+        <Class name = "~(MarkovModel)(126)?" />
+        <Method name="main" />
+        <BugPattern name="SBSC_USE_STRINGBUFFER_CONCATENATION" />
+    </Match>
+-->
+
+    <!--  ***********************************************************************  -->
+    <!--  COS 126 PROGRAMMING EXAM EXCEPTIONS                                      -->
+    <!--  ***********************************************************************  -->
+
+    <!-- string concatenation before StringBuffer is introduced -->
+    <Match>
+        <Class name = "~PokerHand|PokerHandWild|Language" />
+        <BugPattern name="SBSC_USE_STRINGBUFFER_CONCATENATION" />
+    </Match>
+
+    <!--  ***********************************************************************  -->
+    <!--  COURSERA PROGRAMMING WITH A PURPOSE EXCEPTIONS                            -->
+    <!--  ***********************************************************************  -->
+
+    <!-- generating random integers before StdRandom.uniform() is introduced -->
+    <Match>
+        <Class name = "~(RandomWalk|RandomWalkers|DiscreteDistribution|Minesweeper|Birthday)(126)?" />
+        <BugPattern name="DM_NEXTINT_VIA_NEXTDOUBLE" />
+    </Match>
+
+    <!--  ***********************************************************************  -->
+    <!--  COS 226 / COURSERA PROGRAMMING ASSIGNMENT EXCEPTIONS                     -->
+    <!--  ***********************************************************************  -->
+
+    <!-- Exclude compare() by slope order in Point.java on collinear assignment -->
+    <!-- It produces a warning even though it properly handles NaN              -->
+    <Match>
+        <Class name = "~Point.*(226)?" />
+        <BugPattern name="CO_COMPARETO_INCORRECT_FLOATING" />
+    </Match>
+
+    <!-- Exclude compare() by slope order in Point.java on collinear assignment -->
+    <!-- It produces a warning even though it properly handles NaN              -->
+    <Match>
+        <Class name = "~(LineSegment)(226)?" />
+        <BugPattern name="HE_HASHCODE_USE_OBJECT_EQUALS" />
+    </Match>
+
+    <!-- ok to call x.compareTo(x) when unit testing Term -->
+    <Match>
+        <Class name = "~(Term)(226)?" />
+        <Method name="main" />
+        <BugPattern name="SA_LOCAL_SELF_COMPARISON" />
+    </Match>
+
+    <!-- n will always be non-negative -->
+    <Match>
+        <Class name = "~(Board|KdTreeST|KdTree)(226)?" />
+        <BugPattern name="IM_BAD_CHECK_FOR_ODD" />
+    </Match>
+
+    <!-- ok to call board.equals(null), board.equals(string), or board.equals(board) when unit testing Board -->
+    <Match>
+        <Class name = "~(Board)(226)?" />
+        <Method name="main" />
+        <BugPattern name="EC_NULL_ARG,EC_UNRELATED_TYPES,SA_LOCAL_SELF_COMPARISON" />
+    </Match>
+
+    <!-- slider puzzle, before we've introduced hashCode() -->
+    <Match>
+        <Class name = "~(Board)(226)?" />
+        <BugPattern name="HE_EQUALS_USE_HASHCODE, HE_EQUALS_NO_HASHCODE" />
+    </Match>
+
+    <!-- BST style code for insert() -->
+    <Match>
+        <Class name = "~(KdTree|KdTreeST)(226)?" />
+        <BugPattern name="CFS_CONFUSING_FUNCTION_SEMANTICS" />
+    </Match>
+
+    <!-- SCUtility not very well designed, but it's our class -->
+    <Match>
+        <Class name = "~(SCUtility)" />
+        <BugPattern name="FCCD_FIND_CLASS_CIRCULAR_DEPENDENCY" />
+    </Match>
+
+    <!-- some false positives -->
+    <Match>
+        <Class name = "~(SeamCarver)" />
+        <BugPattern name="SLS_SUSPICIOUS_LOOP_SEARCH" />
+    </Match>
+
+    <!-- BoggleBoard doesn't implement hashCode() or equals() and does safe test for floating-point equality -->
+    <Match>
+        <Class name = "~(BoggleBoard)(226)?" />
+        <BugPattern name="FE_FLOATING_POINT_EQUALITY,HE_HASHCODE_USE_OBJECT_EQUALS" />
+    </Match>
+
+    <!--  ***********************************************************************  -->
+    <!--  AUTOGRADER                                                               -->
+    <!--  ***********************************************************************  -->
+
+    <!-- allow methods in *API to return null or false without complaints          -->
+    <Match>
+        <Class name = "~.*API" />
+        <BugPattern name="PZLA_PREFER_ZERO_LENGTH_ARRAYS,
+                          NP_TOSTRING_COULD_RETURN_NULL,
+                          UP_UNUSED_PARAMETER,
+                          MRC_METHOD_RETURNS_CONSTANT,
+                          EQ_ALWAYS_FALSE" />
+    </Match>
+
+    <!-- allow methods to write to static instance variables ending in "count"     -->
+    <!-- allow methods to store operation counts that are not currently used       -->
+    <Match>
+        <Field name = "~.*[Cc]ount" />
+        <BugPattern name="ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD,
+                          URF_UNREAD_FIELD" />
+    </Match>
+
+    <Match>
+        <Class name = "~.*TimingData" />
+        <BugPattern name="FCBL_FIELD_COULD_BE_LOCAL" />
+    </Match>
+
+    <!-- allow methods to store values in variables named "ignore.*"  -->
+    <Match>
+        <Local name = "~.*[Ii]gnore.*" />
+        <BugPattern name="DLS_DEAD_LOCAL_STORE" />
+    </Match>
+
+    <Match>
+        <Class name = "~ScreenPrimitiveContainer.*" />
+        <BugPattern name="HE_EQUALS_USE_HASHCODE, HE_EQUALS_NO_HASHCODE" />
+    </Match>
+
+    <Match>
+        <Class name = "LineSegment" />
+        <BugPattern name="HE_EQUALS_USE_HASHCODE, HE_EQUALS_NO_HASHCODE" />
+    </Match>
+
+
+    <Match>
+        <Class name = "~Test.*" />
+        <Method name = "~extract.*" />
+        <BugPattern name="PZLA_PREFER_ZERO_LENGTH_ARRAYS" />
+    </Match>
+
+    <Match>
+        <Class name = "~(Test|Time).*" />
+        <BugPattern name="EXS_EXCEPTION_SOFTENING_RETURN_FALSE,
+                          RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE" />
+    </Match>
+
+    <!--  ***********************************************************************  -->
+    <!--  JAVA MATRIX PACKAGE                                                      -->
+    <!--  ***********************************************************************  -->
+    <Match>
+        <Class name = "~Jama\..*" />
+    </Match>
+
+
+</FindBugsFilter>