appletex.java

java可以实现一些小程序的编写

/**
 * @(#)Ex.java
 *
 * Sample Applet application
 *
 * @author 
 * @version 1.00 06/11/15
 */
 
import java.applet.*;import java.awt.*;
import java.util.*;
public class AppletEx extends Applet  
{  int x,y,i;
   public void init() 
   {  x=5;   y=1;
      i=1;
      System.out.print("--- in  init  x= "+x);
      System.out.println("--- in  init  i= "+i);
   }   
   
   public void start()
   {    y++;
   		i++; 
   		System.out.println(":::in start y= "+y);
   		System.out.println(":::in start i= "+i)	;
   }
   
   public void stop()
   {      y=y-5;
   	  System.out.println(" stop!");
   	
   }
   public void paint(Graphics g) 
   {  x=x+1;
      if(x>=200)
        x=5;
      g.drawString("我们在学习repaint方法",20,x);
      Date date=new Date();
      long yy=date.getTime();
      g.drawString(""+yy,20,x+40);
      g.drawString("y is "+y,100,300);	
      try {Thread.sleep(1000) ;} catch(Exception e){ }
      repaint();
   } 
   
     
}