countapplet.java

服务器要同时处理多个客户的通信

import java.applet.*;
import java.awt.*;
class countbutton extends Button implements Runnable{
  int count=0;
  public countbutton(String s){
    super(s);
  }
  public void run(){
    while(count<10000){
      try{
        this.setLabel(""+count++);
        Thread.sleep((int)(10000*Math.random()));
      }catch(Exception e){}
    }
  }
}
public class countapplet extends Applet{
  public void init(){
    setLayout(null);
    countbutton t1=new countbutton("first");
    t1.setBounds(30,10,80,40);
    add(t1);
    countbutton t2=new countbutton("second");
    t2.setBounds(130,10,80,40);
    add(t2);
    (new Thread(t1)).start();
    (new Thread(t2)).start();
  }
}