neo.java

java 课件.Java编程 Applet 游戏 Jsp/Servlet JavaScript Ajax

import javax.swing.*;
import java.awt.event.*;
import javax.swing.event.*;
import java.awt.*;
import java.util.Timer;
import java.util.TimerTask;
public class  Neo extends JFrame{
JP jp;
public static void main(String args[]){
    new Neo();
}//main


public Neo(){
	setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	this.getContentPane().setLayout(new BorderLayout());
	jp =new JP();
	this.getContentPane().add(jp,BorderLayout.CENTER);
   this.setSize(500,300);
   this.pack();
   this.setVisible(true);
}//testg


}

class  JP extends JPanel
{
	int sx,sy;
	private final int inc=20;
	Timer timer,timer2;
MyTask mt,mt2;
	public JP(){
   sx=20;
   sy=20;
   timer = new Timer();
   timer2= new Timer();
   mt= new MyTask();
   mt2=new MyTask();
  timer.schedule(mt,2000,500);
  timer2.schedule(mt2,3000,1000);
	}
public void paint(Graphics g){
super.paint(g);
g.setColor(Color.blue);
g.drawString("hello",sx,sy);
sy++;
if (sy>200)
	sy=20;
System.err.println("called");
}
public void pt(){
this.repaint();
}
class  MyTask extends TimerTask
{
	
	public void run(){
       pt();

       System.err.println("thread in");
	}//时间到做什么？
};


}