driver.java

来自「Java程序设计(美) David D. Riley著 机械工业出版社 书籍配套」· Java 代码 · 共 32 行

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

/** Key Typed Program Driver (Figure D.16)
 *  Author: David D. Riley
 *  Date: January, 2005
 */
public class Driver implements KeyListener {
	private JFrame window;

	public Driver(){
		window = new JFrame("Keystroke Example");
		window.setBounds(10, 10, 200, 200);
		window.setLayout( null );
		window.addKeyListener( this );
		window.setVisible(true);
	}
	
	public void keyTyped( KeyEvent e ) {
	}
	
	public void keyPressed( KeyEvent e ) {
		System.out.println( "The key which was struck is " 
									+ e.getKeyCode() );
	}
	
	public void keyReleased( KeyEvent e ) {
	}
}