paneldemo.java

JAVA的一些基础教程

import java.awt.*; 
import java.awt.event.*; 

public class PanelDemo extends Frame
{ 
   Button btnOnFrame; 
   Button btnOnPanel; 

   public PanelDemo()
   { 
      btnOnFrame = new Button("在FRAME容器中"); 
      add("North",btnOnFrame); 

      Panel p = new Panel();
      p.setBackground(Color.red);
      btnOnPanel = new Button("在PANEL容器中");
      p.add(btnOnPanel);

      add("Center",p);

      addWindowListener(new WinCloser()); 
      setTitle("Using a Dialog"); 
      setBounds( 100, 100, 300, 300); 
      setVisible(true); 

   } 


   public static void main(String[] args) 
   { 
      new PanelDemo(); 
   } 

} 

class WinCloser extends WindowAdapter 
{ 
   public void windowClosing(WindowEvent e) 
   { 
      System.exit(0); 
   } 
}