Quizzes – Java Threads

The following Java exercise(s) are designed to help you understand the article to which it belongs. If the following quizzes are too hard, then I recommend to read the article first, which offers a theoretical explanation including examples and exercises.  

Java Threads: Article  Quizzes

thread_states_life_cycle-gray

Quiz 1: An easy Java thread quiz.

What is written to the standard output as the result of executing the following code?

public class MyThread extends Thread{

	public static void main(String[] args){
		Thread t = new Thread(new MyThread());
		Thread t2 = new Thread(new MyThread());
		Thread t3 = new Thread(new MyThread());
		t.start();
		t2.start();
		t3.start();
		t.setPriority(1);
		t3.setPriority(3);
	}
	public void run(){
		System.out.print(Thread.currentThread().getPriority() + " ");
	}
}

Select the correct answer.


 

Quiz 2: Using Java thread methods.

What is written to the standard output as the result of executing the following code?

public class MyThread extends Thread{

	public MyThread(){}
	public MyThread(String string){
		super(string);
	}
	public void run(){
		System.out.print(" " + getName());
		try{
			sleep(500);
		}
		catch(InterruptedException e){
		}
	}
	public static void main(String[] args){
		MyThread th1 = new MyThread();
		Thread th2 = new MyThread("2");
		Thread th3 = new MyThread("3");
		Thread th4 = new MyThread("4");
		Thread th5 = new MyThread("5");
		th1.setName("1");
		th2.start();
		th3.setPriority(1);
		th4.start();
		th5.isAlive();
	}
}

Select the correct answer.



Please, leave your questions, feedback and suggestions in the comments below! If you need more explanation by any of the answers, just let me know to update it for you!

Megisoft.com offers a practical method to learn and improve your Java skills. It avoids unnecessary long boring theoretical explanations, but it uses many exercises and quizzes. The author of Megisoft is Sar Maroof who has more than a decade of experience with web development mainly with Java, MySql, HTML and more..

Java Threads: Article  Quizzes


Suggested Articles:


Sar Maroof's New Book "Java Quizmaster For Beginners"
Author: Sar Maroof
Many years of experience with developing web applications mainly with Java.
Sun Certified JSP as well as EJB
CIW Certified Internet Webmaster
Applied Science in Physics HBO Amsterdam
Bachellor Science in Physics at Basra university.
 Subscribe To sarmaroof RSS Feeds! (Your Browser)
 Mail This Page To A Friend!
 Bookmark This Page!

Share on FacebookTweet about this on TwitterShare on RedditShare on LinkedIn

1 Comment

Add a Comment
  1. Reading this makes my deciisons easier than taking candy from a baby.

Leave a Reply

megisoft © 2016