pls hlep, can't get output

From:
kk <kcool.99x@gmail.com>
Newsgroups:
comp.lang.java.help
Date:
Mon, 17 Oct 2011 21:00:58 -0700 (PDT)
Message-ID:
<16b2abac-4141-4153-9f24-05770f056b97@r2g2000prh.googlegroups.com>
This is program.But problem is that there is no output.I faded to
catch the problem.

import java.awt.*;
import javax.swing.*;
import java.util.Calendar;
class ClockDemo extends Canvas{

        int xmou 0; //set the center of circle
  int ymou 0; //set the center of circle

  double theta=-0.1047; //theta for second's hand
  int x=xmou; //x position of Second's hand
  int y=ymou; //y position of second's hand
  int p,b;
  int h;
  boolean flag=true;
  /*ClockDemo(){
  //super();
  setSize(500,500);
  setBackground(Color.PINK);
  setVisible(true);
  }*/
        public void paint(Graphics g){
            DrawLine(g,xmou,ymou,x,y);

        }
        public void DrawLine(Graphics g,int startX,int startY,int endX,int
endY){
            h=80;
            System.out.println("h:"+h);
            //g.drawLine(200,200,165,248);
            while(true){

                g.drawLine(startX,startY,endX,endY);
                newpoint();
                //this.repaint(startX,startY,endX,endY);
                try{
      Thread.sleep(1000);
      }catch(Exception e){}
            }
        }
        public void newpoint(){

     Calendar now = Calendar.getInstance(); //creating a Calendar
variable for getting current time

     //for second hand
     //h=60;
     x=xmou;
     y=ymou;
     theta=-0.1047;
     theta=theta*now.get(Calendar.SECOND);
     System.out.println("theta:"+theta);
     p= (int) (Math.sin(theta) * h);
     b= (int) (Math.cos(theta) * h);
     System.out.println("p:"+p+" "+"b:"+b);
     x=x-p;
     y=y-b;

     }

For veiwing

import javax.swing.*;
import java.awt.*;
class ClockDemoViewer {
    public static void main(String... arg){
        ClockDemo comp=new ClockDemo();
        JFrame jf=new JFrame("Clock Demo");

        jf.add(comp);
        jf.setSize(500,500);
        jf.setVisible(true);
        jf.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }
}

pls help.

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