5) Key operations messages display on command using Key Event

 source code name: KeyDemo1.java

    import java.awt.*;
 
    import java.awt.event.*;
 class KeyDemo1 extends Frame implements KeyListener
{
 public KeyDemo1()
{ 
addKeyListener(this);
}
 
public void keyPressed(KeyEvent me)
{
System.out.println("key is Pressed");
}
public void keyReleased(KeyEvent me){
System.out.println("key is Released");
}
public void keyTyped(KeyEvent me){
System.out.println("key is Typed");
}

 public static void main(String[] args)
{ 
KeyDemo1 f=new KeyDemo1();
f.setTitle("Key Event program");
f.setSize(400,500); 
 f.setVisible(true); 
    }
}  

output: