Q8

Given:

public class SleepOtherThread {

       public static void main(String[] args) throws InterruptedException {

             Runnable r = new Runnable() {

                    public void run() {

                      System.out.print(Thread.currentThread().getName()); 

                    }

             };

             Thread t1 = new Thread(r, "One ");

             t1.start();

             t1.sleep(2000);

             Thread t2 = new Thread(r, "Two ");

             t2.start();

             t2.sleep(1000);

             System.out.print("Main ");

       }

}
What is the most likely result?

A.
Main One Two

B.
Main Two One

C.
One Two Main

D.
One Main Two

E.
Two Main One
 

Risposta: C
One Two Main

Per capire cosa succede nel tempo vediamo uno schema. Le frecce vanno nel senso del tempo crescente: