Example3.java

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
//Programacion asincrona con Thread pool
public class Example3 {
    public static void main(String[] args) throws InterruptedException {
        ExecutorService service = Executors.newFixedThreadPool(2);
        for(int count = 0; count < 5; count++){
            service.execute(()->{
                try {
                    Thread.sleep(3000);
                } catch (InterruptedException e) {}
                System.out.println("Sub Thread " + Thread.currentThread().getName());
            });
        }
        service.shutdown();
        synchronousTask2();
    }

    public static void synchronousTask1() throws InterruptedException {
        System.out.println("Obtuve datos");
        Thread.sleep(10000);
    }

    public static void synchronousTask2(){
        System.out.println("Calcular IVA");
    }
}