testpanel1.java

Java语言

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
public class TestPanel1 extends Applet{
	public void init(){
	/*	setLayout(null);
		setBackground(Color.red);
		Panel p1 = new Panel();
		p1.setBackground(Color.blue);
		p1.setSize(100,100);
		p1.setLocation(0,50);

		Panel p2 = new Panel();
		p2.setBackground(Color.green);
		p2.setSize(100,100);
		p2.setLocation(100,150);
		add(p1);
		add(p2);*/
		repaint();
	}
	public void paint(Graphics g){
 		setLayout(null);
		setBackground(Color.red);
		Panel p1 = new Panel();
		p1.setBackground(Color.blue);
		p1.setSize(100,100);
		p1.setLocation(0,50);

		Panel p2 = new Panel();
		p2.setBackground(Color.green);
		p2.setSize(100,100);
		p2.setLocation(100,150);
		add(p1);
		add(p2);
	}
}