simplekey.java

来自「这是我们上java课时自己编的几个测试小程序」· Java 代码 · 共 26 行

/**
 * @(#)SimpleKey.java
 *
 *
 * @author 
 * @version 1.00 2007/11/4
 */


import java.awt.*;   import java.applet.*;import java.awt.event.*;
public class SimpleKey extends Applet implements KeyListener
{	String msg="";
	int x=10,y=20;
	public void init()
	{	addKeyListener(this);
		requestFocus();	}	
	public void keyPressed(KeyEvent ke)
	{	showStatus("Key Down");	}
	public void keyReleased(KeyEvent ke)
	{	showStatus("Key Up");	}
	public void keyTyped(KeyEvent ke)
	{	msg+=ke.getKeyChar();	repaint();	}
	public void paint(Graphics g)
	{	g.drawString(msg,x,y);	}
}