/* Primitive stop watch:
 * shows time in milliseconds and runs all the time.
 *
 * functionality:
 * getTime()
 *  shows current time
 * reset()
 *  sets stop watch back to 0
 * setTime(long)
 *  sets watch to a particular time in milliseconds
 */
import java.util.Calendar;
import java.util.Date;

public class StopWatch{

  Date d;

  public StopWatch(){
    d = Calendar.getInstance().getTime();
  }

  public long getTime(){
    return Calendar.getInstance().getTime().getTime()-d.getTime();
  }

  public void reset(){
    d = Calendar.getInstance().getTime();
  }

  public void setTime(long t){
    d.setTime(t+Calendar.getInstance().getTime().getTime());
  }

}