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Welcome to the Multithreading MCQs Page

Dive deep into the fascinating world of Multithreading with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Multithreading, a crucial aspect of Java Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Multithreading, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Java Programming.

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Check out the MCQs below to embark on an enriching journey through Multithreading. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Java Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Multithreading. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Multithreading MCQs | Page 6 of 10

Q51.
Which will contain the body of the thread?
Discuss
Answer: (a).run();
Q52.
Which method registers a thread in a thread scheduler?
Discuss
Answer: (c).start();
Q53.
Assume the following method is properly synchronized and called from a thread A on an object B:

wait(2000);

After calling this method, when will the thread A become a candidate to get another turn at the CPU?
Discuss
Answer: (a).After thread A is notified, or after two seconds.
Q54.
Which of the following will not directly cause a thread to stop?
Discuss
Answer: (a).notify()
Q55.
Which class or interface defines the wait(), notify(),and notifyAll() methods?
Discuss
Answer: (a).Object
Q56.
Which of these will create and start this thread?
public class MyRunnable implements Runnable 
{
    public void run() 
    {
        // some code here
    }
}
Discuss
Answer: (c).new Thread(new MyRunnable()).start();
Q57.
What is the name of the method used to start a thread execution?
Discuss
Answer: (b).start();
Q58.
Which two are valid constructors for Thread?

1. Thread(Runnable r, String name)
2. Thread()
3. Thread(int priority)
4. Thread(Runnable r, ThreadGroup g)
5. Thread(Runnable r, int priority)
Discuss
Answer: (c).1 and 2
Q59.
Which three are methods of the Object class?

1. notify();
2. notifyAll();
3. isInterrupted();
4. synchronized();
5. interrupt();
6. wait(long msecs);
7. sleep(long msecs);
8. yield();
Discuss
Answer: (c).1, 2, 6
Q60.
Which of the following line of code is suitable to start a thread ?
class X implements Runnable 
{ 
    public static void main(String args[]) 
    {
        /* Missing code? */
    } 
    public void run() {} 
}
Discuss
Answer: (c).X run = new X(); Thread t = new Thread(run); t.start();
Page 6 of 10

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