Here you can find the source of printTimeDiffNano(String message, long start)
static void printTimeDiffNano(String message, long start)
//package com.java2s; //License from project: Open Source License public class Main { static void printTimeDiffNano(String message, long start) { System.out.println(String.format("message: %s duration: %d", message, System.nanoTime() - start)); }//w w w . j ava 2s . c om }