java 多线程
package com.webank.ai.fate.serving; import java.text.SimpleDateFormat; import java.util.*; public class MyDemo extends Thread { @Override public void run() { SimpleDateFormat strf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//设置日期格式 String curTime = strf.format(new Date()); System.out.println(curTime); } public static void main(String[] args) { MyDemo myDemo =new MyDemo(); List<Thread> list = new ArrayList<>(); for (int i = 0; i <5 ; i++) { Thread th =new Thread(myDemo); th.start(); list.add(th); } for (int j = 0; j<list.size() ; j++) { try { list.get(j).join(); }catch (Exception e){ e.printStackTrace(); } } } }