package com.test; import java.util.ArrayList; import java.util.Iterator; import java.util.List; /** * @author tzq * @date 2019-03-13 16:48 */ public class Test { //公共变量 int count=0; static List
foreach程序耗时:27658646 ms
Iterator程序耗时:12158150 ms
for程序耗时:7618257 ms
for程序耗时:7031677 ms
stream程序耗时:101515437 ms