project is completed!

with huge modification but simpler!!
message is sent and shown in server but there is no thread

src/chatRoom/client/Main.java

@@ -6,7 +6,6 @@ public class Main {
 
     public static void main(String[] args){
 
-//        ChatRoomGUI chat1 = new ChatRoomGUI();
         UsernameFrame chat2 = new UsernameFrame();
     }
 }

src/chatRoom/client/Network.java

@@ -10,15 +10,17 @@ public class Network {
     private static final int port = 4321;
     private static final String host = "127.0.0.1" ;
 
+    Socket client;
     Scanner socketin;
     Formatter socketOut;
 
     public Network() throws IOException{
 
-        try(Socket client = new Socket( host, port);
-            Scanner socketin = new Scanner(client.getInputStream());
-            Formatter socketOut = new Formatter(client.getOutputStream());)
-        {
+        try {
+            client = new Socket( host , port );
+            socketin = new Scanner(client.getInputStream());
+            socketOut = new Formatter(client.getOutputStream());
+
             socketOut.flush();
         } catch (UnknownHostException e) {
             e.printStackTrace();

src/chatRoom/server/ClientHandler.java

-package chatRoom.server;
-import java.io.DataInputStream;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.net.Socket;
-import java.util.Formatter;
-import java.util.Scanner;
-
-public class ClientHandler {
-    private Socket socket;
-//    private DataOutputStream dataOutputStream;
-//    private DataInputStream dataInputStream;
-    Scanner in;
-    Formatter out;
-
-
-    public ClientHandler(Socket client) throws Exception {
-        if (client == null)
-            throw new Exception("client can't be null");
-        this.socket = client;
-//        dataOutputStream = new DataOutputStream(client.getOutputStream());
-//        dataInputStream = new DataInputStream(client.getInputStream());
-        try(Scanner in = new Scanner(client.getInputStream());
-            Formatter out = new Formatter(client.getOutputStream());){
-            run();
-        }
-
-    }
-
-    private void handleIncomingMessages(String message){
-        System.out.println(message);
-
-    }
-
-        public void run() {
-            while(true){
-                String input = in.next() ;
-                handleIncomingMessages(input);
-            }
-        }
-    }
\ No newline at end of file
+//package chatRoom.server;
+//import java.io.DataInputStream;
+//import java.io.DataOutputStream;
+//import java.io.IOException;
+//import java.net.Socket;
+//import java.util.Formatter;
+//import java.util.Scanner;
+//
+//public class ClientHandler {
+//    private Socket socket;
+////    private DataOutputStream dataOutputStream;
+////    private DataInputStream dataInputStream;
+//    Scanner in;
+//    Formatter out;
+//
+//
+//    public ClientHandler(Socket client) throws Exception {
+//        if (client == null)
+//            throw new Exception("client can't be null");
+//        this.socket = client;
+////        dataOutputStream = new DataOutputStream(client.getOutputStream());
+////        dataInputStream = new DataInputStream(client.getInputStream());
+//        try(Scanner in = new Scanner(client.getInputStream());
+//            Formatter out = new Formatter(client.getOutputStream());){
+//            run();
+//        }
+//
+//    }
+//
+//    private void handleIncomingMessages(String message){
+//        System.out.println(message);
+//
+//    }
+//
+//        public void run() {
+//            while(true){
+//                String input = in.next() ;
+//                handleIncomingMessages(input);
+//            }
+//        }
+//    }
\ No newline at end of file

src/chatRoom/server/Main.java

+package chatRoom.server;
+
+import java.io.IOException;
+import java.net.ServerSocket;
+
+public class Main {
+     public static void main(String[] args){
+         try {
+             SecondServer secondServer = new SecondServer();
+         } catch (IOException e) {
+             e.printStackTrace();
+         }
+
+     }
+}

src/chatRoom/server/SecondServer.java

+package chatRoom.server;
+
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.util.ArrayList;
+import java.util.Formatter;
+import java.util.Scanner;
+
+public class SecondServer {
+
+    private static final int PORT = 4321;
+    private ServerSocket serverSocket;
+    ArrayList<Socket> users = new ArrayList<>();
+    Scanner in;
+    Formatter out;
+
+    public SecondServer() throws IOException {
+
+        serverSocket = new ServerSocket(PORT);
+
+        while (true) {
+
+            Socket client = serverSocket.accept();
+            try{
+                in = new Scanner(client.getInputStream());
+                out = new Formatter(client.getOutputStream());
+
+                String input = in.next() ;
+                System.out.println(input);
+
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+
+        }
+    }
+}

src/chatRoom/server/Server.java

-package chatRoom.server;
-
-import java.io.IOException;
-import java.net.ServerSocket;
-import java.net.Socket;
-import java.util.ArrayList;
-
-public class Server {
-
-    private static final int PORT = 4321;
-    private ServerSocket serverSocket;
-    ArrayList<Socket> users = new ArrayList<>();
-
-    public Server() throws IOException {
-        serverSocket = new ServerSocket(PORT);
-        while (true) {
-            Socket client = serverSocket.accept();
-            try {
-                ClientHandler clientHandler = new ClientHandler(client);
-            } catch (Exception e) {
-                e.printStackTrace();
-            }
-
-        }
-    }
-
-}
+//package chatRoom.server;
+//
+//import java.io.IOException;
+//import java.net.ServerSocket;
+//import java.net.Socket;
+//import java.util.ArrayList;
+//
+//public class Server {
+//
+//    private static final int PORT = 4321;
+//    private ServerSocket serverSocket;
+//    ArrayList<Socket> users = new ArrayList<>();
+//
+//    public Server() throws IOException {
+//        serverSocket = new ServerSocket(PORT);
+//        while (true) {
+//            Socket client = serverSocket.accept();
+//            try {
+//                ClientHandler clientHandler = new ClientHandler(client);
+//            } catch (Exception e) {
+//                e.printStackTrace();
+//            }
+//
+//        }
+//    }
+//
+//}