jframedeclarer.java

来自「java2 primer plus一书源程序」· Java 代码 · 共 42 行

/*
 * JFrameDeclarer.java
 *
 * Created on July 29, 2002, 3:15 PM
 */

package ch16;

import javax.swing.*;
import java.awt.event.*;

/**
 *
 * @author  Stephen Potts
 * @version
 */
public class JFrameDeclarer extends JPanel
{
    JLabel jl1;
   
   /** Creates new JFrameDeclarer */
    public JFrameDeclarer()
   {
       jl1 = new JLabel("This is a JPanel");
       this.add(jl1);
   }
   
   public static void main(String args[])
   {
      JFrameDeclarer jfd = new JFrameDeclarer();
      JFrame jf = new JFrame();
      jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      jf.getContentPane().add(jfd);

      jf.setTitle("Just a JFrame");
      jf.setBounds( 100, 100, 200, 200);
      jf.setVisible(true);

   }
}