public class benchm {
 public static void main(String args[]){
  System.out.println("Starting multiplication of two doubles in 10^4 * 10^4 loops:") ;
   double i,j,k=0;
   long tcalc;
   long begin = System.currentTimeMillis() ;

   for(i=1; i<10000; i++)
    for(j=1; j<10000; j++)
     k = i*j ;
  tcalc = (System.currentTimeMillis() - begin);
  System.out.println("Compute Time (ms): " +tcalc) ;
 }
}