Question
class s implements Runnable
{
int x, y;
public void run()
{
for(int i = 0; i < 1000; i++)
synchronized(this)
{
x = 12;
y = 12;
}
System.out.print(x + " " + y + " ");
}
public static void main(String args[])
{
s run = new s();
Thread t1 = new Thread(run);
Thread t2 = new Thread(run);
t1.start();
t2.start();
}
}a.
DeadLock
b.
It print 12 12 12 12
c.
Compilation Error
d.
Cannot determine output.
Posted under Java Programming
Engage with the Community - Add Your Comment
Confused About the Answer? Ask for Details Here.
Know the Explanation? Add it Here.
Q. What will be the output of the program?
Similar Questions
Discover Related MCQs
Q. Which cannot directly cause a thread to stop executing?
View solution
Q. 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();
View solution
Q. 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)
View solution
Q. What is the name of the method used to start a thread execution?
View solution
Q. Which class or interface defines the wait(), notify(),and notifyAll() methods?
View solution
Q. Which of the following will not directly cause a thread to stop?
View solution
Q. 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?
View solution
Q. Which method registers a thread in a thread scheduler?
View solution
Q. Which will contain the body of the thread?
View solution
Q. Which method must be defined by a class implementing the java.lang.Runnable interface?
View solution
Q. Which of the following will directly stop the execution of a Thread?
View solution
Q. Which three guarantee that a thread will leave the running state?
1. yield()
2. wait()
3. notify()
4. notifyAll()
5. sleep(1000)
6. aLiveThread.join()
7. Thread.killThread()
View solution
Q. Which two of the following methods are defined in class Thread?
1. start()
2. wait()
3. notify()
4. run()
5. terminate()
View solution
Q. Which of these method wakes up all the threads?
View solution
Q. Which of these method wakes up the first thread that called wait()?
View solution
Q. Which of these method is used to tell the calling thread to give up a monitor and go to sleep until some other thread enters the same monitor?
View solution
Q. Which of this method is used to avoid polling in Java?
View solution
Q. Which of the following will ensure the thread will be in running state?
View solution
Q. Which of the following stops execution of a thread?
View solution
Q. Which of the following is a correct constructor for thread?
View solution
Suggested Topics
Are you eager to expand your knowledge beyond Java Programming? We've curated a selection of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!
