Java simulates high concurrent requests from users

package com.jason.mrht.common.utils;


import com.jason.mrht.common.exception.HttpException;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.concurrent.CountDownLatch;


/**
 * 模拟用户的并发请求，检测用户乐观锁的性能问题
 *
 * @author fxb
 * @date 2018/3/29 18:55
 */
public class ConcurrentTest {

    final static SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

    public static void main(String[] args){
        //模拟10000人并发请求，用户钱包
        CountDownLatch latch=new CountDownLatch(1);
        //模拟10000个用户
        for(int i=0;i<10000;i++){
            AnalogUser analogUser = new AnalogUser("user"+i,"58899dcd-46b0-4b16-82df-bdfd0d953bfb"+i,"1","20.024",latch);
            analogUser.start();
        }
        //计数器減一  所有线程释放 并发访问。
        latch.countDown();
        System.out.println("所有模拟请求结束  at "+sdf.format(new Date()));

    }

    static class AnalogUser extends Thread{
        //模拟用户姓名
        String workerName;
        String openId;
        String openType;
        String amount;
        CountDownLatch latch;

        public AnalogUser(String workerName, String openId, String openType, String amount,
                          CountDownLatch latch) {
            super();
            this.workerName = workerName;
            this.openId = openId;
            this.openType = openType;
            this.amount = amount;
            this.latch = latch;
        }

        @Override
        public void run() {
            // TODO Auto-generated method stub
            try {
                latch.await(); //一直阻塞当前线程，直到计时器的值为0
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            post();//发送post 请求


        }

        public void post(){
            String result = "";
            System.out.println("模拟用户： "+workerName+" 开始发送模拟请求  at "+sdf.format(new Date()));
            try {


            result = HttpUtil.sendGet("http://localhost:8080/api/collect/distribution/redis/lock1",null);
            }catch (HttpException e){

            }
                    //sendPost("http://localhost:8080/Settlement/wallet/walleroptimisticlock.action", "openId="+openId+"&openType="+openType+"&amount="+amount);
            System.out.println("操作结果："+result);
            System.out.println("模拟用户： "+workerName+" 模拟请求结束  at "+sdf.format(new Date()));

        }
    }

}