pemrograman socket (client)

dan ini adalah file client.java adalah


//aplikasi klien
import java.awt.*;

import java.awt.event.*;

import java.net.*;

import java.io.*;

public class Client1 extends Frame implements ActionListener,Runnable,KeyListener {

Socket s;

BufferedReader br;

BufferedWriter bw;

TextField text,name;

Button exit,clear;

Label label1;

List list;

Panel p1,p2,sp21,sp22,jp=null;
public void run() {

try{s.setSoTimeout(1);

}catch(Exception e){}

while (true) {

try{

list.add(br.readLine());

}catch (Exception h){}

if(list.getItemCount()==7)

list.remove(0);

} }

public static void main(String arg[]) {

new Client1("Client");

}

public Client1(String m) { super(m);

jp=new Panel();

p1=new Panel();

p2=new Panel();

sp21=new Panel();

sp22=new Panel();

jp.setLayout(new GridLayout(2,1));

p1.setLayout(new GridLayout(1,1));

p2.setLayout(new GridLayout(2,1));

sp21.setLayout(new FlowLayout());

sp22.setLayout(new FlowLayout());

exit = new Button("Exit");

clear = new Button("Clear");

exit.addActionListener(this);

clear.addActionListener(this);

list = new List(50);

text = new TextField(43);

name = new TextField(10);

label1=new Label("Enter Your Name");

name.addKeyListener(this);

text.addKeyListener(this);

p1.add(list);

sp21.add(text);

sp21.add(exit);

sp22.add(label1);

sp22.add(name);

sp22.add(clear);

p2.add(sp21);

p2.add(sp22);

jp.add(p1);

jp.add(p2);

this.add(jp);

setBackground(Color.orange);

setSize(380,300);

setLocation(400,0);

setVisible(true);

setResizable(false);

name.requestFocus();

try{

/* ip 127.0.0.1 bila anda menjalankan program klien dan server pada satu komputer bila tidak rubahlah ip sesuai dengan ip komputer 786 adalah port untuk bisa terkoneksi pada server*/

s = new Socket("127.0.0.1",786);

br = new BufferedReader(new InputStreamReader( s.getInputStream()));

bw = new BufferedWriter(new OutputStreamWriter( s.getOutputStream()));

Thread th;

th = new Thread(this);

th.start();

}catch(Exception e){}

} public void actionPerformed ( ActionEvent e) {

if (e.getSource().equals(exit)) System.exit(0);

else if (e.getSource().equals(clear))

{ name.setText(" ");

name.setEditable(true);

} }

public void keyPressed(KeyEvent ke)

{ if(text.equals(ke.getSource()))

{

if(ke.getKeyCode()==KeyEvent.VK_ENTER)

{

try{

bw.write(name.getText()+">>"+text.getText());

bw.newLine();bw.flush();

}catch(Exception m){}

list.add(name.getText()+">>"+text.getText());

text.setText("");

} }

if(name.equals(ke.getSource()))

{

if(ke.getKeyCode()==KeyEvent.VK_ENTER)

{

name.setEditable(false);

text.requestFocus(); } }
}

public void keyReleased(KeyEvent ke) { //something }

public void keyTyped(KeyEvent ke) { //something }

}