diff --git a/Emne 3/ClickerOOP/ClickerOOP.sln b/Emne 3/ClickerOOP/ClickerOOP.sln
new file mode 100644
index 0000000..7fcf8f7
--- /dev/null
+++ b/Emne 3/ClickerOOP/ClickerOOP.sln	
@@ -0,0 +1,16 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ClickerOOP", "ClickerOOP\ClickerOOP.csproj", "{C70D6421-5389-44D4-9ECF-E19B7A6BBAD7}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C70D6421-5389-44D4-9ECF-E19B7A6BBAD7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C70D6421-5389-44D4-9ECF-E19B7A6BBAD7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C70D6421-5389-44D4-9ECF-E19B7A6BBAD7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C70D6421-5389-44D4-9ECF-E19B7A6BBAD7}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal
diff --git a/Emne 3/ClickerOOP/ClickerOOP/ClickerOOP.csproj b/Emne 3/ClickerOOP/ClickerOOP/ClickerOOP.csproj
new file mode 100644
index 0000000..2f4fc77
--- /dev/null
+++ b/Emne 3/ClickerOOP/ClickerOOP/ClickerOOP.csproj	
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+</Project>
diff --git a/Emne 3/ClickerOOP/ClickerOOP/Program.cs b/Emne 3/ClickerOOP/ClickerOOP/Program.cs
new file mode 100644
index 0000000..e5dff12
--- /dev/null
+++ b/Emne 3/ClickerOOP/ClickerOOP/Program.cs	
@@ -0,0 +1,3 @@
+// See https://aka.ms/new-console-template for more information
+
+Console.WriteLine("Hello, World!");
\ No newline at end of file
diff --git a/Emne 3/DependencyInversionPrinciple/DIP.ChatServer/ChatServer.cs b/Emne 3/DependencyInversionPrinciple/DIP.ChatServer/ChatServer.cs
index 45ebc40..ed925c6 100644
--- a/Emne 3/DependencyInversionPrinciple/DIP.ChatServer/ChatServer.cs	
+++ b/Emne 3/DependencyInversionPrinciple/DIP.ChatServer/ChatServer.cs	
@@ -2,14 +2,14 @@ namespace DIP.ChatServer;
 
 public class ChatServer
 {
-  private readonly List<ChatClient> _clients;
+  private readonly List<IChatClient> _clients;
 
   public ChatServer()
   {
-    _clients = new List<ChatClient>();
+    _clients = new List<IChatClient>();
   }
 
-  public void Broadcast(ChatClient client, string message)
+  public void Broadcast(IChatClient client, string message)
   {
     foreach (var chatClient in _clients)
     {
@@ -21,7 +21,7 @@ public class ChatServer
     }
   }
 
-  public void Register(ChatClient client)
+  public void Register(IChatClient client)
   {
     _clients.Add(client);
   }
diff --git a/Emne 3/DependencyInversionPrinciple/DIP.ChatServer/IChatClient.cs b/Emne 3/DependencyInversionPrinciple/DIP.ChatServer/IChatClient.cs
new file mode 100644
index 0000000..fdf1633
--- /dev/null
+++ b/Emne 3/DependencyInversionPrinciple/DIP.ChatServer/IChatClient.cs	
@@ -0,0 +1,6 @@
+namespace DIP.ChatServer;
+
+public interface IChatClient
+{
+   void Receive(string message); 
+}
\ No newline at end of file
diff --git a/Emne 3/DependencyInversionPrinciple/DependencyInversionPrinciple/ChatClient.cs b/Emne 3/DependencyInversionPrinciple/DependencyInversionPrinciple/ChatClient.cs
index ad92640..518f37b 100644
--- a/Emne 3/DependencyInversionPrinciple/DependencyInversionPrinciple/ChatClient.cs	
+++ b/Emne 3/DependencyInversionPrinciple/DependencyInversionPrinciple/ChatClient.cs	
@@ -1,6 +1,7 @@
 namespace DependencyInversionPrinciple;
+using DIP.ChatServer;
 
-public class ChatClient
+public class ChatClient : IChatClient
 {
     private readonly string _name;
     private readonly ChatServer _server;