Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.Arrays;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;

public class Main {
    public static void main(String[] args) throws Exception {
        ExecutorService service = Executors.newFixedThreadPool(5);
        List<Future<java.lang.String>> futureList = service
                .invokeAll(Arrays.asList(new Task1<String>(), new Task2<String>()));

        System.out.println(futureList.get(1).get());
        System.out.println(futureList.get(0).get());
    }
}

class Task2<String> implements Callable<String> {
    @Override
    public String call() throws Exception {
        Thread.sleep(1000 * 2);
        int i = 3;
        if (i == 3)
            throw new RuntimeException("Its Wrong");
        return (String) "1000 * 2";
    }
}

class Task1<String> implements Callable<String> {
    @Override
    public String call() throws Exception {
        Thread.sleep(1000 * 10);
        return (String) "1000 * 5";
    }
}