I love threads

Chat/source/echo/EchoClient.java

@@ -38,33 +38,30 @@ public class EchoClient {
     public static void main(String[] args) throws IOException {
 
 
-        String hostName = "localhost";
+        String serverName = "localhost";
         //int portNumber = Integer.parseInt(args[1]);
         int portNumber = 1234;
 
         try (
-            Socket echoSocket = new Socket(hostName, portNumber);
-            PrintWriter out =
-                new PrintWriter(echoSocket.getOutputStream(), true);
-            BufferedReader in =
-                new BufferedReader(
-                    new InputStreamReader(echoSocket.getInputStream()));
-            BufferedReader stdIn =
-                new BufferedReader(
-                    new InputStreamReader(System.in))
-        ) {
+            Socket echoSocket = new Socket(serverName, portNumber);
+            PrintWriter out = new PrintWriter(echoSocket.getOutputStream(), true);
+            BufferedReader in = new BufferedReader( new InputStreamReader(echoSocket.getInputStream()));
+            BufferedReader stdIn = new BufferedReader( new InputStreamReader(System.in))
+        ) 
+        {
         	System.out.println("server says: " + in.readLine());
             String userInput;
-            while ((userInput = stdIn.readLine()) != "\n") {
+            while ((userInput = stdIn.readLine()) != "") {
                 out.println(userInput);
                 System.out.println("server says: " + in.readLine());
             }
+
         } catch (UnknownHostException e) {
-            System.err.println("Don't know about host " + hostName);
+            System.err.println("Don't know about host " + serverName);
             System.exit(1);
         } catch (IOException e) {
             System.err.println("Couldn't get I/O for the connection to " +
-                hostName);
+                serverName);
             System.exit(1);
         } 
     }

Chat/source/sinGUI/Server.java

@@ -8,7 +8,13 @@
 import java.net.ServerSocket;
 import java.net.Socket;
 import java.util.ArrayList;
-
+/*
+ * 
+ * 
+ * https://stackoverflow.com/questions/4981214/change-value-of-a-variable-x-in-main-method-through-running-thread
+ * 
+ * 
+ */
 public class Server extends Thread {
 	ArrayList<Socket> clientes = new ArrayList<Socket>(5);
 	public static void main(String [] args) throws IOException {
@@ -19,19 +25,39 @@ public static void main(String [] args) throws IOException {
 	public void run() {
 		//Socket nuevoCliente= server.accept();
 	}
+
 	public Server() throws IOException {
-
+		ArrayList<Socket> clientes = new ArrayList<Socket>(5);
 		int puertoEscuchaServer = 1234;
+
 		System.out.println("SERVER: server on, listening on " + puertoEscuchaServer);
 		ServerSocket server = new ServerSocket(puertoEscuchaServer);
-		Socket nuevoCliente;
 		System.out.println("SERVER: awaiting connection on " + server.getLocalPort());
+
+		Thread aceptarNuevoCliente = new Thread(){			
+			@Override
+			public void run(){
+				try {
+					while (true){
+						System.out.println("esperando");
+						clientes.add( server.accept() );
+						System.out.println("aceptado!");
+					}
+				} catch (IOException e) {
+					e.printStackTrace();
+				}
+			}
+		};
+
+		aceptarNuevoCliente.start();
+
+		/*
 		while (true) {
 			nuevoCliente = server.accept();
 			clientes.add( nuevoCliente );
 			System.out.println("se conect� " + nuevoCliente.getLocalSocketAddress() + " a trav�s de " + nuevoCliente.getPort());			
 			}
-
+		*/
 		//server.close();
 
 		/*

Chat/source/threaded/chat/Cliente.java

@@ -1,12 +1,41 @@
 package threaded.chat;
+import java.awt.BorderLayout;
+import java.awt.EventQueue;
 
-import java.net.Socket;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.border.EmptyBorder;
 
-public class Cliente {
-	Socket socket;
-
-	public Cliente(){
-		socket = new Socket();
-
+public class Cliente extends JFrame {
+
+	private JPanel contentPane;
+
+	/**
+	 * Launch the application.
+	 */
+	public static void main(String[] args) {
+		EventQueue.invokeLater(new Runnable() {
+			public void run() {
+				try {
+					Cliente frame = new Cliente();
+					frame.setVisible(true);
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
+		});
 	}
+
+	/**
+	 * Create the frame.
+	 */
+	public Cliente() {
+		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		setBounds(100, 100, 450, 300);
+		contentPane = new JPanel();
+		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
+		setContentPane(contentPane);
+		contentPane.setLayout(null);
+	}
+
 }

Chat/source/threaded/chat/Participante.java

@@ -1,35 +1,51 @@
 package threaded.chat;
 
+import java.net.InetAddress;
+import java.net.Socket;
 
 public class Participante {
 
 	private String name;
-	private String IP;
+	private InetAddress IP;
+	private Socket socket;
 
-	public String getName(){
-		return name;
+	/**
+	 * @param socket the socket to set
+	 */
+	public void setSocket(Socket socket) {
+		this.socket = socket;
 	}
 
-	public String toString() {
-		return name;
+	/**
+	 * @return the socket
+	 */
+	public Socket getSocket() {
+		return socket;
 	}
 
+	public String getName(){
+		return name;
+	}
 
+	public String showYourself() {
+		return "Participante [name=" + name + ", IP=" + IP + ", socket=" + socket + ", is closed:" + socket.isClosed() + 
+				", isconnected: " + socket.isConnected() +  "]";
+	}
 
 	public Participante(String n) {
 		name = n;
 	}
 
-
-
-
-
-	public void setIP(String ip) {
-		IP = ip;
+	/* (non-Javadoc)
+	 * @see java.lang.Object#toString()
+	 */
+	@Override
+	public String toString() {
+		return name;
 	}
 
-	public String getIP() {
-		return IP;
+	public void setIP(InetAddress inetAddress) {
+		IP = inetAddress;
 	}
 
 }