本文共 1630 字，大约阅读时间需要 5 分钟。

package com.rmls.asyncfuture;import com.rmls.exception.SleepUtils;import java.util.concurrent.CompletableFuture;import java.util.concurrent.ExecutionException;import java.util.function.BiConsumer;import java.util.function.Consumer;import java.util.function.Function;import java.util.function.Supplier;/** * @author R·ML·S * @create 2022/9/3 13:59 */public class FutureTest4 {    public static void main(String[] args) throws Exception {        supplyAsync();        SleepUtils.sleep(3);        System.out.println("我是main");    }    public static void supplyAsync() throws ExecutionException, InterruptedException {        CompletableFuture
   
     supplyAsync = CompletableFuture.supplyAsync(new Supplier
    
     () {            @Override            public String get() {                System.out.println(Thread.currentThread().getName() + "--supplyAsync");                //SleepUtils.sleep(1);//这个地方执行睡眠的话这里就是线程池执行当前线程,不然就是主线程执行                //System.out.println("1/0 = " + 1/0);                return "success1";            }        });        supplyAsync.thenAccept(new Consumer
     
      () {            @Override            public void accept(String s) {                System.out.println(Thread.currentThread().getName() + "-1-s = " + s);            }        });        supplyAsync.thenAccept(new Consumer
      
       () {            @Override            public void accept(String s) {                System.out.println(Thread.currentThread().getName() + "-2-s = " + s);            }        });    }}
      
     
    
   

打开SleepUtils.sleep(1)

 不打开SleepUtils.sleep(1)

 两次执行的线程不一样,据说可能是控制台打印的原因造成的,但是理论上应该是线程池来执行,问题待解决.....

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