zenghua2010
发贴: 4
积分: 0
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于 2005-12-11 23:29
import java.awt.*; import java.awt.event.*; class KeyListenerDemo extends Frame implements KeyListener{ KeyListenerDemo(String title){ super(title); addKeyListener(this); setSize(100,100); setVisible(true); } public void KeyPressed(KeyEvent e){ System.out.println("Key pressed: virtual key code="+ e.getKeyCode()); } public void KeyReleased(KeyEvent e){ System.out.println("Key released: virtual key code="+ e.getKeyCode()); } public void KeyTyped(KeyEvent e){ System.out.println("Key typed: character="+e.getKeyChar()); } public static void main(String args[]){ new KeyListenerDemo("Key Listener Demo"); } }
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