package com.linear.table;import java.util.concurrent.CompletableFuture;public class CompletableFutureTest {public static void main(String[] args) throws InterruptedException, Exception {    CompletableFuture
     
      completableFuture=new CompletableFuture<>();    new Thread(()->{        System.out.println("runing...");        try {            Thread.sleep(5000);            // 告诉completableFuture任务已经完成            completableFuture.complete("ok");                        int i=10/0;//制造异常        } catch (Exception e) {            System.out.println(e.toString());            // 告诉completableFuture任务发生异常了            completableFuture.completeExceptionally(e);                    }            }).start();    /**     * 如果该线程没有执行完成，处于阻塞状态，不会再执行后面的代码，     */        String result=completableFuture.get();    if(result.equals("ok")){        System.out.println("執行完le ..."+":"+result);            }}}运行结果：runing...java.lang.ArithmeticException: / by zero執行完le ...:ok