// A class that can be used to measure the time taken to perform operations.
// Barry Cornelius, 23 July 2000
public class EggTimer
{
   private long iStartTime;
   public EggTimer()
   {
      iStartTime = 0;
   }
   public void reset()
   {
      iStartTime = System.currentTimeMillis();
   }
   public double get()
   {
      if (iStartTime==0)
      {
         throw new IllegalArgumentException();
      }
      final long tFinishTime = System.currentTimeMillis();
      final long tPeriod = tFinishTime - iStartTime;
      iStartTime = 0;
      return (double)tPeriod;
   }
}