java benchmark time

1public class SomeClass{
2   public void somePublicMethod()
3   {
4       long startTime = System.currentTimeMillis();
5       someMethodWhichYouWantToProfile();
6       long endTime = System.currentTimeMillis();
7       System.out.println("Total execution time: " + (endTime-startTime) + "ms"); 
8   }
9 }
10