clients in CopyOnWriteList

src/main/java/ChatServer.java

@@ -19,6 +19,7 @@ public class ChatServer {
 			while(true) {
 			Socket connectionToClient = serverSocket.accept();
 			ClientHandler client = new ClientHandler(this, connectionToClient);
+			clients.add(client);
 			System.out.println("Accepted new Client");
 			}
 		} catch (IOException e) {