1 /** 2   *homework0928 3   *@author:kai li 4   */ 5 package com.kai.li.homework0928; 6 import java.util.stream.IntStream; 7 /** 8   *following class is client  9   */10 public class HomeWork0928{11 12     public static void main(String[] args)throws Exception{13         14         /**15           *question one and two16           */17     18     Runnable runnable1=()->{19                 long timeStart=System.currentTimeMillis();20                 IntStream.range(1,101)21                 .mapToObj(i->"洛阳"+i)22                 .forEach(System.out::println);23                 long time1=System.currentTimeMillis()-timeStart;24                 System.out.println(time1);25             };26     Runnable runnable2=()->{27                 long timeStart=System.currentTimeMillis();28                 IntStream.range(1,101)29                 .mapToObj(i->"长安"+i)30                 .forEach(System.out::println);31                 long time2=System.currentTimeMillis()-timeStart;32                 System.out.println(time2);33             };34     Runnable runnable3=()->{35                 IntStream.range(1,101)36                 .mapToObj(i->"runnable3:燕京"+i)37                 .forEach(System.out::println);38             };39     Thread thread1=new Thread(runnable1);40     Thread thread2=new Thread(runnable2);41     Thread thread3=new Thread(runnable3);42     thread1.start();43     thread2.start();44     thread3.start();45 46     IntStream.range(1,101)47                 .mapToObj(i->"main:开封府"+i)48                 .forEach(System.out::println);49     50     }51 }