Login and Register with UI

src/main/java/org/to/telegramfinalproject/Server/MainServer.java

@@ -0,0 +1,28 @@
+package org.to.telegramfinalproject.Server;
+
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+
+public class MainServer {
+    private static final int PORT = 12345;
+
+    public static void main(String[] args) {
+        try (ServerSocket serverSocket = new ServerSocket(PORT)) {
+            System.out.println("Server started on port " + PORT);
+
+            while (true) {
+                Socket clientSocket = serverSocket.accept();
+                System.out.println("New client connected: " + clientSocket.getInetAddress());
+
+                ClientHandler handler = new ClientHandler(clientSocket);
+                new Thread(handler).start();
+            }
+
+        } catch (IOException e) {
+            System.err.println("Server error: " + e.getMessage());
+            e.printStackTrace();
+        }
+    }
+}
+