Java program for Stop Clock

class StopClock extends Thread
{
private int hh=0;
private int mm=0;
private int ss=0;

public int getHr()
{
return hh;
}

public int getMn()
{
return mm;
}

public int getSs()
{
return ss;
}

public void run()
{
for(;;)
{
try
{
Thread.sleep(1000);
   }
   catch(InterruptedException ie)
   {
   
   }
   ss++;
   mm+=ss/60;
 
   ss%=60;
   hh+=mm/60;
   mm%=60;
   hh%=24;
}
}


}