并发跑任务：任一失败任务停下

import java.util.concurrent.*;

public class Main {

    public static void main(String[] args) {
        ExecutorService executorService = Executors.newFixedThreadPool(5);
        List<Callable<String>> taskList = new ArrayList<>();
        taskList.add(new Task("Task 1"));
        taskList.add(new Task("Task 2"));
        taskList.add(new Task("Task 3"));
        //... add more tasks

        try {
            List<Future<String>> futures = executorService.invokeAll(taskList);
            for (Future<String> future : futures) {
                System.out.println(future.get());
            }
        } catch (InterruptedException | ExecutionException e) {
            e.printStackTrace();
        } finally {
            executorService.shutdown(); 
        }
    }

    static class Task implements Callable<String> {
        private final String name;

        public Task(String name) {
            this.name = name;
        }

        @Override
        public String call() throws Exception {
            // 在此处执行任务的逻辑
            System.out.println("Executing task: " + name);
            Thread.sleep(1000);  // 模拟耗时操作
            if (Math.random() > 0.5) {  // 有50%的几率任务成功
                System.out.println("Task " + name + " is successful");
                return name + " is successful";  // 成功返回的结果
            } else {
                throw new RuntimeException("Task " + name + " failed");  // 失败抛出异常
            }
        }
    }
}