1: import javax.swing.*;
2: import java.awt.*;
3: import java.io.*;
4: import javax.swing.border.*;
5: import java.net.*;
6: import java.awt.event.*;
7:
8: class Server extends JFrame implements ActionListener
9: {
10: private JTextArea jtaSend=new JTextArea();
11: private JTextArea jtaReceive=new JTextArea();
12: private JButton jbtSend=new JButton("Send");
13:
14: DataOutputStream output;
15: DataInputStream input;
16:
17: public Server()
18: {
19: jbtSend.addActionListener(this);
20:
21: try
22: {
23: ServerSocket server=new ServerSocket(8000);
24: Socket socket=server.accept();//wait connection from a client
25: System.out.println("connected to a client");
26:
27: output=new DataOutputStream(socket.getOutputStream());
28: input=new DataInputStream(socket.getInputStream());
29:
30: getContentPane().setLayout(new GridLayout(2,1));
31: JScrollPane scp=new JScrollPane(jtaSend);
32: scp.setBorder(new TitledBorder("Type your message here"));
33:
34: JPanel panel=new JPanel();
35: panel.setLayout(new BorderLayout());
36: panel.add(scp,BorderLayout.CENTER);
37: panel.add(jbtSend,BorderLayout.SOUTH);
38: getContentPane().add(panel);
39:
40: getContentPane().add(new JScrollPane(jtaReceive));
41: setTitle("Server");
42: setSize(300,300);
43:
44: setLocation(20,30);
45: setVisible(true);
46:
47: while(true)
48: {
49: jtaReceive.setText(input.readUTF());
50: }
51: }
52: catch(IOException ex)
53: {
54: ex.printStackTrace();
55: }
56: }
57:
58: public static void main(String[]args)
59: {
60: JFrame frame=new Server();
61: }
62:
63: public void actionPerformed(ActionEvent e)
64: {
65: try
66: {
67: output.writeUTF(jtaSend.getText());
68: }
69: catch(Exception ex)
70: {
71: }
72: }
73: }
Wai Kit Says 