Adding interface Tasks

.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

DependencyInjection.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>disable</Nullable>
+  </PropertyGroup>
+
+</Project>

DependencyInjection.sln

@@ -0,0 +1,24 @@
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.2.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DependencyInjection", "DependencyInjection.csproj", "{7615E517-8B79-FD61-A85E-DC32853E8268}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{7615E517-8B79-FD61-A85E-DC32853E8268}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7615E517-8B79-FD61-A85E-DC32853E8268}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7615E517-8B79-FD61-A85E-DC32853E8268}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7615E517-8B79-FD61-A85E-DC32853E8268}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {2A8F1C27-783C-465F-8343-5A0766282B12}
+	EndGlobalSection
+EndGlobal

InterfacesTask.cs

@@ -0,0 +1,173 @@
+namespace DependencyInjections
+{
+    public interface IPayment
+    {
+        void ProcessPayment(decimal amount);
+    }
+
+    public class CreditCardPayment : IPayment
+    {
+        public void ProcessPayment(decimal amount)
+        {
+            Console.WriteLine($"Processing credit card payment for {amount} kr.");
+        }
+    }
+
+    public class PayPalPayment : IPayment
+    {
+        public void ProcessPayment(decimal amount)
+        {
+            Console.WriteLine($"Processing PayPal payment of {amount} kr.");
+        }
+    }
+
+    public interface IPrintable
+    {
+        void Print();
+    }
+
+    public class PrintInvoice : IPrintable
+    {
+        public void Print()
+        {
+            Console.WriteLine($@"
+                ====== INVOICE ======
+                
+                1 stk båd 1299 kr.
+
+                Total 1299 kr.
+            ");
+        }
+    }
+
+    public class PrintReport : IPrintable
+    {
+        public void Print()
+        {
+            Console.WriteLine("Report printing...");
+        }
+    }
+
+    public class PrintLetter : IPrintable
+    {
+        public void Print()
+        {
+            Console.WriteLine("Printing letter...");
+        }
+    }
+
+    public interface IDriveable
+    {
+        void Start();
+        void Stop();
+    }
+
+    public class Vehicle
+    {
+        public string brand { get; set; }
+    }
+
+    public class Car : Vehicle, IDriveable
+    {
+        public bool started = false;
+
+        public Car(string brand)
+        {
+            this.brand = brand;
+        }
+
+        public void Start()
+        {
+            this.started = true;
+            Console.WriteLine($"Starting {this.brand}");
+        }
+
+        public void Stop()
+        {
+            this.started = false;
+            Console.WriteLine($"Stopping {this.brand}");
+        }
+    }
+
+    public class Motorcycle : Vehicle, IDriveable
+    {
+        public bool started = false;
+
+        public Motorcycle(string brand)
+        {
+            this.brand = brand;
+        }
+
+        public void Start()
+        {
+            this.started = true;
+            Console.WriteLine($"Starting {this.brand}");
+        }
+
+        public void Stop()
+        {
+            this.started = false;
+            Console.WriteLine($"Stopping {this.brand}");
+        }
+    }
+
+    public interface IMakeSound
+    {
+        void MakeSound();
+    }
+
+    public class Dog : IMakeSound
+    {
+        public void MakeSound()
+        {
+            Console.WriteLine("Woof");
+        }
+    }
+
+    public class Cat : IMakeSound
+    {
+        public void MakeSound()
+        {
+            Console.WriteLine("Meow");
+        }
+    }
+
+    public class Cow : IMakeSound
+    {
+        public void MakeSound()
+        {
+            Console.WriteLine("Moo");
+        }
+    }
+
+    public interface IWeapon
+    {
+        int Attack();
+    }
+
+    public class Sword : IWeapon
+    {
+        public int Attack()
+        {
+            return 10;
+        }
+    }
+
+    public class Bow : IWeapon
+    {
+        public int Attack()
+        {
+            return new Random().Next(5, 16);
+        }
+    }
+
+    public class Staff : IWeapon
+    {
+        public int MagicPower { get; set; } = 10;
+
+        public int Attack()
+        {
+            return MagicPower;
+        }
+    }
+}

Program.cs

@@ -0,0 +1,59 @@
+using DependencyInjections;
+
+List<IPayment> listOfPayment = new List<IPayment>()
+{
+    new PayPalPayment(),
+    new CreditCardPayment()
+};
+
+foreach (var paymentMethod in listOfPayment)
+{
+    paymentMethod.ProcessPayment(10);
+}
+
+List<IPrintable> listOfPrint = new List<IPrintable>()
+{
+    new PrintInvoice(),
+    new PrintLetter(),
+    new PrintReport()
+};
+
+foreach (var printMethod in listOfPrint)
+{
+    printMethod.Print();
+}
+
+List<IDriveable> driveables = new List<IDriveable>()
+{
+    new Car("Mercedes"),
+    new Motorcycle("Harley Davidson")
+};
+
+foreach (var driveable in driveables)
+{
+    driveable.Start();
+}
+
+List<IMakeSound> makeSounds = new List<IMakeSound>()
+{
+    new Cat(),
+    new Dog(),
+    new Cow()
+};
+
+foreach (var animal in makeSounds)
+{
+    animal.MakeSound();
+}
+
+List<IWeapon> weapons = new List<IWeapon>()
+{
+    new Staff(),
+    new Bow(),
+    new Sword()
+};
+
+foreach (var weapon in weapons)
+{
+    Console.WriteLine(weapon.Attack());
+}