29 lines
1.1 KiB
Java
29 lines
1.1 KiB
Java
package com.inmind.thread_pool10;
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import java.util.concurrent.ExecutionException;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.Future;
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/*
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学习任务：线程池：处理Callable任务
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提交Callable任务的API：
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<T> Future<T> submit(Callable<T> task) 提交值返回任务以执行，并返回代表任务待处理结果的Future。
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注意：有返回的子线程操作，它的返回值会封装在Future中，通过get方法来获取
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*/
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public class Demo13 {
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public static void main(String[] args) throws ExecutionException, InterruptedException {
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//创建线程池
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ExecutorService threadPool = Executors.newFixedThreadPool(5);
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Future<Integer> future1 = threadPool.submit(new MyCallable(5));
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Future<Integer> future2 = threadPool.submit(new MyCallable(3));
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Future<Integer> future3 = threadPool.submit(new MyCallable(10));
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System.out.println("任务1返回的结果为："+future1.get());
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System.out.println("任务2返回的结果为："+future2.get());
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System.out.println("任务3返回的结果为："+future3.get());
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}
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}
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