package TwoJpanel;
import java.awt.;
import javax.swing.;
class TwoPanelJFrame extends JFrame{
public TwoPanelJFrame(String title){
super(title);//继承title
this.setLayout(null);//设置窗体无布局
JPanel pan1 =new JPanel();//第一个面板
JPanel pan2 =new JPanel();//第二个面板
this.getContentPane().setBackground(Color.green);//得到内容面板，设置背景颜色
this.setSize(250,250);
//窗口大小
pan1 .setLayout(null);//设置面板无布局
pan1.setBackground(Color.red);
pan1.setSize(150,150);
//面板10
pan2.setLayout(null);
pan2.setBackground(Color.yellow);
pan2.setSize(50,50);
//面板2
pan1.add(pan2);
this.add(pan1);
this.setVisible(true);
}
}
public class TwoPanel{
public static void main(String[] args){
new TwoPanelJFrame("Two Panel测试");
}
}