java线程池

package com.example.demo.test;

import java.util.ArrayList;

import java.util.List;

import java.util.concurrent.*;

public class ThreadPoolTest {

public static void main(String[] args) {

ThreadPoolTest threadPoolTest = new ThreadPoolTest();

ExecutorService executorService = Executors.newFixedThreadPool(10);

List<Future<String>> list = new ArrayList<>();

for (int i = 0; i < 1000; i++) {

int temp = i;

Future<String> future = executorService.submit(new Callable<String>() {

@Override

public String call() throws InterruptedException {

return threadPoolTest.deal(temp);

}

});

// 如果存在失败，就停止后面的执行

if (!threadPoolTest.getResult(future)) {

break;

}

list.add(future);

}

System.out.println("循环结束了");

for (Future<String> future : list) {

try {

System.out.println(future.get());

} catch (InterruptedException e) {

e.printStackTrace();

} catch (ExecutionException e) {

e.printStackTrace();

}

}

System.out.println("方法结束了");

}

private String deal(int temp){

try {

// todo 业务处理

if (temp == 300) {

return "fail";

}

} catch (Exception e) {

e.printStackTrace();

return "fail";

}

return "success";

}

private Boolean getResult(Future<String> future){

try {

return future.get().equals("success") ? true : false;

} catch (InterruptedException e) {

e.printStackTrace();

} catch (ExecutionException e) {

e.printStackTrace();

}

return false;

}

}