usepanel.java

Java语言

import java.applet.*;
import java.awt.*;
public class UsePanel extends Applet{
	MyPanel panel1, panel2, panel3, panel4;
	public void init(){
		panel1=new MyPanel();
		panel2=new MyPanel();
		panel3=new MyPanel();
		panel4=new MyPanel();
		add(panel1);add(panel2);add(panel3);add(panel4);
	}
}
class MyPanel extends Panel{
	Button[] btn=new Button[6];
	MyPanel(){
		setBackground(Color.cyan);
		for(int i=0;i<btn.length;i++){
			btn[i]=new Button("按钮"+i);
			add(btn[i]);
		}
	}
}