线程池理解与 stream流的测试

荭色海湾

于 2024-04-07 08:30:10 发布

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分类专栏：自我理解文章标签：开发语言

本文链接：https://blog.youkuaiyun.com/qq_53374893/article/details/137448539

1.线程池

package com.tigeriot.reportconfiguration.api.cloudplatform.reportconfiguration.datasetproperties.realtime.heatstation;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.*;

public class Excuete {
    public static void main(String[] args) throws InterruptedException, ExecutionException {

        ThreadPoolExecutor executorService = new ThreadPoolExecutor(
                2,
                6,
                10000,
                TimeUnit.SECONDS,
                new LinkedBlockingQueue<>(3)
        );

        ArrayList<Future<Integer>> futures = new ArrayList<>();
        for (int i = 0; i < 8; i++) {

            int finalI = i;

            Callable<Integer> callable = new Callable<>() {
                @Override
                public Integer call() throws Exception {
                    TimeUnit.SECONDS.sleep(1L);
                    System.out.println(finalI);