Event

Event:- is a package

It contains classes like KeyEvent,MouseEvent,ItemEvent.

Source(generates)------------------------------àListener(listen)

class Key extends Frame implements KeyListener

{

public void keyPressed(KeyEvent ke)

{

}

public void keyReleased(KeyEvent ke)

{

}

public void keyTyped(KeyEvent ke)

{

}

Key()

{

addKeyListener();

}

}

Ques1:-Write a program which can find the number of counts and Unicode of keypressed.

Ques2:-Write a program of snake game.

MouseListener:-

class Mouse extends Frame implements MouseListener

{

public void mousePressed(MouseEvent me)

{

Graphics g=getGraphics();

x=me.getX();

y=me.getY();

g.drawString(“India”,x,y);

}

public void mouseReleased(MoiseEvent me)

{

}

public void mouseClicked(MoiseEvent me)

{

}

public void mouseEntered(MoiseEvent me)

{

}

public void mouseExited(MoiseEvent me)

{

}

Mouse()

{

addMouseListener(this);

}

}

Ques3:-Write a program of tik-tak game.

Ques4:-Write a program of 8Q game.

Note:-Abstract class have constructor if it will execute with the help of child class.

super.display();

we can use the method of parent class by super class in case of overriding.

MouseMotionListener:-

Dragged & Moved

Class Moving extends Frame implements MouseMotionListener

{

public void mouseDragged(MouseEvent me)

{

}

public void mouseMoved(MouseEvent me)

{

}

Moving()

{

addMouseMotionListener(this);

}

}

Ques5:-Write a program in which name moves as we move the mouse.

Ques6:-Write a program of YES/NO game.

Ques7:-Write a program of paint.