import java.awt.*;
import java.awt.event.*;
public class maj extends Frame implements MouseListener {
int x,y;


public void mouseReleased(MouseEvent e){}
public void mouseEntered(MouseEvent e){}
public void mouseExited(MouseEvent e){}
public void mouseClicked(MouseEvent e){}
public void mousePressed(MouseEvent e){
    Graphics g=this.getGraphics();
do{
    for(int t=-45;t<=45;t++){
    x=(int)(150*Math.sin(3.14*t/180));
    y=(int)(150*Math.cos(3.15*t/180));
    g.setColor(Color.blue);
    g.drawLine(150,100,150+x,100+y);
    g.drawOval(135+x,100+y,30,30);


    try{
    Thread.sleep(30);}catch(Exception ex){}

    
    g.clearRect(0,0,300,300); }

    for(int t=45;t>=-45;t--){
    x=(int)(150*Math.sin(3.14*t/180));
    y=(int)(150*Math.cos(3.15*t/180));
    g.setColor(Color.blue);
    g.drawLine(150,100,150+x,100+y);
    g.drawOval(135+x,100+y,30,30);

    try{
    Thread.sleep(30);}catch(Exception ex){}

    
    g.clearRect(0,0,300,300); }




    }while(true);

 }
     public static void main(String arg[]){
       maj k=new maj();
       k.setSize(300,300);
       k.setVisible(true);
       k.addMouseListener(k);



}
}