Write a JAVA program that identifies key-up key-down event user entering text in a
Applet.
Source Code :
ttttt
/* Write a JAVA program that identifies key-up key-down event user entering text in a
Applet.
*/
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
/*
*/
public class Key extends Applet implements KeyListener {
int X=20,Y=30;
String msg="KeyEvents--->";
public void init()
{
addKeyListener(this);
requestFocus();
setBackground(Color.green);
setForeground(Color.blue);
}
public void keyPressed(KeyEvent k)
{
showStatus("KeyDown");
int key=k.getKeyCode();
switch(key)
{
case KeyEvent.VK_UP:
showStatus("Move to Up");
break;
case KeyEvent.VK_DOWN:
showStatus("Move to Down");
break;
case KeyEvent.VK_LEFT:
showStatus("Move to Left");
break;
case KeyEvent.VK_RIGHT:
showStatus("Move to Right");
break;
}
repaint();
}
public void keyReleased(KeyEvent k)
{
showStatus("Key Up");
}
public void keyTyped(KeyEvent k)
{
msg+=k.getKeyChar();
repaint();
}
public void paint(Graphics g)
{
g.drawString(msg,X,Y);
}
}
Output :
please run in cmd
javac Key.java
appletviewer Key.java
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