debug12_1.java

程序练习中包括书中实例程序代码和练习中要用到的代码,是压缩文件

package questions.c12;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Debug12_1 {
   public Debug12_1( String titleText ) {
      addWindowListener( new WindowAdapter() {
            public void
            windowClosing( WindowEvent e ) {
               e.getWindow().dispose();
               System.exit( 0 );
            }
         }
      );
      JLabel greeting = new JLabel( "Debug Question",
                                    JLabel.CENTER );
      getContentPane().add( greeting,
                            BorderLayout.CENTER );
      setSize( 300, 100 );
      setVisible( true );
   }
   public static void main( String[] args ) {
      new Debug12_1( "Debug Question" );
   }
}