import java.awt.*; import java.applet.*; import java.awt.event.*; //<applet code="circle.class" width=200 height=300></applet> public class circle extends Applet { int x,y; public void init() { add a=new add(); addMouseListener(a); } public void paint(Graphics g) { g.fillOval(x,y,30,30); } class add implements MouseListener { public void mouseClicked(MouseEvent e) { } public void mouseEntered(MouseEvent e) { x=e.getX(); y=e.getY(); repaint(); } public void mouseReleased(MouseEvent e){} public void mousePressed(MouseEvent e){} public void mouseExited(MouseEvent e){ } } }