datagramthread.java

基于J2me的手机软件演示例子

package com.wy.ch11;

import javax.microedition.lcdui.*;
import javax.microedition.io.*;

public class DatagramThread extends Thread{
    private String context;
    public DatagramThread(String c) {
        context=c;
    }
    
    public void run(){
        String url="datagram://127.0.0.1:12345";
        DatagramConnection dc=null;
        try{
            dc=(DatagramConnection)Connector.open(url);
            Datagram dg=dc.newDatagram(2000);
            dg.writeUTF(context);
            dc.send(dg);
        }catch(Exception e){
        } finally{
            try{
                if(dc!=null){
                    dc.close();
                }
            }catch(Exception e){
            }
        }
    }
    
}