下面的java代码怎么不会显示图形界面？哪里出错了？

Question

import java.awt.*;
import java.applet.Applet;
public class myPanel extends Panel{
public void init(){
setLayout(new BorderLayout());
setForeground(Color.red);
add("North",new Label("this is a label",Label.CENTER));

Panel p1 = new Panel();
p1.setBackground(Color.blue);
p1.setForeground(Color.green);
p1.setLayout(new BorderLayout());
p1.add("West", new Button("West"));
p1.add("Center", new Button("Center"));
p1.add("East", new Button("East"));

Panel p2 = new Panel();
p2.setBackground(Color.black);
p1.setLayout(new BorderLayout());
p2.add("North",new Button("North"));
p2.add("South",new Button("South"));

add("West",p1);
add("East",p2);
}
public static void main(String args[]){
myPanel p = new myPanel();
p.init();

}
}

Answer 1

在main方法这么写行吗~
public static void main(String args[]){
TestPaint p = new TestPaint();
p.init();
JFrame frame=new JFrame("00");
frame.add(p);
frame.setSize(600,500);
frame.setDefaultCloseOperation(frame.EXIT_ON_CLOSE);
frame.setVisible(true);

}