fortuneclient.java

有关JAVA的SOCKET通讯的源码,主要是基本的通用的代码格式

package socket.test.udp;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

import java.io.*;

import java.net.*;

class FortuneClient

{

public static void main(String args[])

{

FortuneClient client = new FortuneClient();

System.out.println(client.getMessage());

}



public String getMessage()

{

String fortune;

try {

DatagramSocket socket;

DatagramPacket packet;

byte[] data = new byte[256];



socket = new DatagramSocket();

packet = new DatagramPacket(data, data.length,InetAddress.getByName("127.0.0.1"), 1114);

socket.send(packet);



packet = new DatagramPacket(data, data.length);

socket.receive(packet);

fortune = new String(packet.getData(), 0);

socket.close();

}

catch (UnknownHostException e) {

System.err.println("Exception: host could not be found");

return null;

}

catch (Exception e) {

System.err.println("Exception: " + e);

e.printStackTrace();

return null;

}

return fortune;

} }