Java开发网 - KeyListenerDemo

Topic: KeyListenerDemo

1.KeyListenerDemo

Posted by: zenghua2010
Posted on: 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");
}
}

2.Re:KeyListenerDemo [Re: zenghua2010]	Copy to clipboard
Posted by: ranchgirl Posted on: 2005-12-12 00:47 Sorry, your code is not even compilable, why do you put here???? No question, no statement, why?? keyTyped() etc. methods need to start with a lower case letter. That is also Java coding convention. Thanks!

3.Re:KeyListenerDemo [Re: zenghua2010]	Copy to clipboard
Posted by: zenghua2010 Posted on: 2005-12-12 12:26 朋友，谢了！我感悟过来了，原来我编程时把这搞错了，太大意了。不好意思