import java.awt.*; import java.applet.*; import java.awt.event.*; public class KeyBoard extends Applet implements KeyListener { String msg=” “; public void init() { addKeyListener(this); requestFocus(); } public void keyTyped(KeyEvent ke) { msg=ke.getKeyChar(); repaint(); } public void paint(Graphics g) { g.drawString(msg,100,50); } public void keyReleased(KeyEvent ke) { msg=”mouseReleased”; repaint(); } public void keyPressed(KeyEvent ke) { int k=ke.getKeyCode(); switch(k) { case KeyEvent.VK_F1:msg=”F1″; break; case KeyEvent.VK_F2:msg=”F2″; break; case KeyEvent.VK_F3:msg=”F3″; break; case KeyEvent.VK_PAGE_UP:msg=”Pageup”; break; case KeyEvent.VK_PAGE_DOWN:msg=”Pagedown”; break; case KeyEvent.VK_LEFT:msg=”Left arrow”; break; case KeyEvent.VK_RIGHT:msg=”Right arrow”; break; } repaint(); } } HTML Code <html> <title>Keyboard Events</title> <Body><Applet code=”KeyBoard.class” height=100 width=700></applet> </body> </html>
Java program to implement keyboard events.
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December 20, 2019
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