frame4.java

10Applet&Gui java教程 第10长

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class Frame4 extends JFrame{
  Frame4(String title){
    super(title);
  }
  public static void main(String [] args){
    Frame4 Frm4 = new Frame4("Frame4");
    Frm4.setSize(200,200);
    Frm4.setVisible(true);
    Frm4.addWindowListener(new WindowClose());
  }
}
class WindowClose extends WindowAdapter{
  public void windowClosing(WindowEvent e){
    System.exit(0);
  }
}