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Title Server & Client in java
Author Abhishek K. Dhote
Author Email abhishekdhote [at] rediffmail.com
Description
Category Java » Networking
Hits 20485
Code Select and Copy the Code
//Server.java import java.net.*; import java.io.*; import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Server extends JFrame { JTextField txtenter; JTextArea txtadisplay; ObjectOutputStream output; ObjectInputStream input; public Server() { super("SERVER"); Container c=getContentPane(); txtenter=new JTextField(); txtenter.setEnabled(false); txtenter.addActionListener( new ActionListener(){ public void actionPerformed(ActionEvent e) { sendData(e.getActionCommand()); } } ); c.add(txtenter,BorderLayout.SOUTH); txtadisplay=new JTextArea(); txtadisplay.setEditable(false); c.add(new JScrollPane(txtadisplay),BorderLayout.CENTER); setSize(300,150); show(); } public void runServer() { ServerSocket ss; Socket s; int counter = 1; try { //create a seversocket ss=new ServerSocket(5000,100); while(true) { //wait for the connection txtadisplay.setText("Waiting for the Connection..."); //establishing connection s=ss.accept(); txtadisplay.append(" Conection "+counter+"received from:"+s.getInetAddress().getHostName()); //getting input/output output=new ObjectOutputStream(s.getOutputStream()); output.flush(); input=new ObjectInputStream(s.getInputStream()); //processing connection String message="Server>>>Conection Sucessfull..."; output.writeObject(message); output.flush(); txtenter.setEnabled(true); do { message=(String) input.readObject(); txtadisplay.append(" "+message); txtadisplay.setCaretPosition(txtadisplay.getText().length()); }while(!message.equals("CLIENT>>>TERMINATE")); txtadisplay.append(" User Terminated Connection..."); output.close(); input.close(); s.close(); ++counter; } } catch(Exception e) { } } public void sendData(String s) { try { output.writeObject("SERVER>>>"+s); txtadisplay.append(" SERVER>>>"+s); } catch(Exception e) { } } public static void main(String args[]) { Server ser=new Server(); ser.addWindowListener( new WindowAdapter(){ public void WindowClosing(WindowEvent e) { System.exit(0); } } ); ser.runServer(); } } //Client.java import java.io.*; import java.net.*; import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Client extends JFrame { JTextField txtenter; JTextArea txtadisplay; ObjectOutputStream output; ObjectInputStream input; String message=""; public Client() { super("CLIENT"); Container c=getContentPane(); txtenter=new JTextField(); txtenter.setEnabled(false); txtenter.addActionListener( new ActionListener(){ public void actionPerformed(ActionEvent e) { sendData(e.getActionCommand()); } }); c.add(txtenter,BorderLayout.SOUTH); txtadisplay=new JTextArea(); txtadisplay.setEditable(false); c.add(new JScrollPane(txtadisplay),BorderLayout.CENTER); setSize(300,150); show(); } public void runClient() { Socket s; try { txtadisplay.setText("Attempting Connection..."); //establishing connection s=new Socket("localhost",5000); txtadisplay.append(" Connected to:"+s.getInetAddress().getHostName()); output=new ObjectOutputStream(s.getOutputStream()); output.flush(); input=new ObjectInputStream(s.getInputStream()); txtenter.setEnabled(true); //processing connection do { message=(String)input.readObject(); txtadisplay.append(" "+message); txtadisplay.setCaretPosition(txtadisplay.getText().length()); }while(!message.equals("SERVER>>>TERMINATE")); txtadisplay.append(" Closing Connection..."); input.close(); output.close(); s.close(); } catch(Exception e) {} } public void sendData(String s) { try { message=s; output.writeObject("CLIENT>>>"+s); output.flush(); txtadisplay.append(" CLIENT>>>"+s); } catch(Exception e) { } } public static void main(String args[]) { Client cli=new Client(); cli.addWindowListener( new WindowAdapter(){ public void windowClosing(WindowEvent e) { System.exit(0); } } ); cli.runClient(); } }

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