e5_14.java

java 初学者学习实例

import java.applet.*;
import java.awt.*;
class Mypanel1 extends Panel
{
  Checkbox box1,box2,box3; 
  Mypanel1()
  {
  	box1 = new Checkbox("音乐");
  	box2 = new Checkbox("体育");
  	box3 = new Checkbox("吹牛");
  	add(box1);add(box2);add(box3);
  }

}
class Mypanel2 extends Panel
{
  Checkbox box1,box2,box3; 
  Mypanel2()
  {
  	box1 = new Checkbox("读书");
  	box2 = new Checkbox("电脑");
  	box3 = new Checkbox("电影");
  	add(box1);add(box2);add(box3);
  }

}
public class E5_14 extends Applet
{
	Mypanel1  panel1;Mypanel2 panel2;
	public void init()
	{
		setLayout(new GridLayout(2,2));
		panel1 = new Mypanel1();
		panel2 = new Mypanel2();
		add(panel1);add(new Label());add(panel2);add(new Panel());
	}
	
	
}