complete12_4.java

来自「北京大学出版社的」· Java 代码 · 共 34 行

package questions.c12;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Complete12_4 extends JFrame {
   public Complete12_4( String titleText ) {
      super( titleText );
      addWindowListener( new WindowAdapter() {
            public void
            windowClosing( WindowEvent e ) {
               Complete12_4.this.dispose();
               System.exit( 0 );
            }
         }
      );
      JButton grateful
         = new JButton( "Please click me" );
      grateful.addActionListener(
         new ActionListener() {
            public void
            actionPerformed( ActionEvent e ) {
               // your action-handling code goes here
            }
         }
      );
      getContentPane().add( grateful,
                            BorderLayout.CENTER );
      pack();
      setVisible( true );
   }
   public static void main( String[] args ) {
      new Complete12_4( "Complete the Solution" );
   }
}