eswitch.java

java可以实现一些小程序的编写

import java.applet.*;import java.awt.*;
public class Eswitch extends Applet
{ public void paint(Graphics g)
    { int x=2,y=1;
      switch(x+y)
        {case 1 :
             g.setColor(Color.red);g.drawString("i am 1",5,10);
             break;    
         case 2:
             g.setColor(Color.blue); g.drawString("i am 2",5,10);
             break;   
         case 3:   
            g.setColor(Color.green); g.drawString("i am 3",5,10);
            break;     
         default:  g.drawString("没有般配的",5,10);
        }
    }
}