import java.applet.Applet;
import java.awt.Graphics;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

public class Sample1 extends Applet
{
String str = "矢印キーを押してください";

public void init()
{
addKeyListener(new KeyAdapter()
{
public void KeyPressed(KeyEvent e)
{
int k = e.getKeyCode();
switch(k){
case KeyEvent.VK_UP: str = "上を押しました"; break;
case KeyEvent.VK_DOWN: str = "下を押しました"; break;
case KeyEvent.VK_LEFT: str = "左を押しました"; break;
case KeyEvent.VK_RIGHT: str = "右を押しました"; break;
default: str = "ちゃんと矢印キーを入力してください"; break;
}
repaint();
}
});
}
public void paint(Graphics g)
{
g.drawString(str,200,200);
}
}