Question
class newthread extends Thread
{
Thread t;
String name;
newthread(String threadname)
{
name = threadname;
t = new Thread(this,name);
t.start();
}
public void run()
{
}
}
class multithreaded_programing
{
public static void main(String args[])
{
newthread obj1 = new newthread("one");
newthread obj2 = new newthread("two");
try
{
Thread.sleep(1000);
System.out.print(obj1.t.isAlive());
}
catch(InterruptedException e)
{
System.out.print("Main thread interrupted");
}
}
}a.
true
b.
false
c.
Main thread interrupted
d.
None of the mentioned
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 is the output of this program?
Similar Questions
Discover Related MCQs
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 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 of the following will directly stop the execution of a Thread?
View solution
Q. Which method must be defined by a class implementing the java.lang.Runnable interface?
View solution
Q. Which will contain the body of the thread?
View solution
Q. Which method registers a thread in a thread scheduler?
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 of the following will not directly cause a thread to stop?
View solution
Q. Which class or interface defines the wait(), notify(),and notifyAll() methods?
View solution
Q. What is the name of the method used to start a thread execution?
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. 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 cannot directly cause a thread to stop executing?
View solution
Q. Which two can be used to create a new Thread?
1. Extend java.lang.Thread and override the run() method.
2. Extend java.lang.Runnable and override the start() method.
3. Implement java.lang.Thread and implement the run() method.
4. Implement java.lang.Runnable and implement the run() method.
5. Implement java.lang.Thread and implement the start() method.
View solution
Q. Which two statements are true?
1. Deadlock will not occur if wait()/notify() is used
2. A thread will resume execution as soon as its sleep duration expires.
3. Synchronization can prevent two objects from being accessed by the same thread.
4. The wait() method is overloaded to accept a duration.
5. The notify() method is overloaded to accept a duration.
6. Both wait() and notify() must be called from a synchronized context.
View solution
Q. The following block of code creates a Thread using a Runnable target:
Runnable target = new MyRunnable();
Thread myThread = new Thread(target);
Which of the following classes can be used to create the target, so that the preceding code compiles correctly?
View solution
Q. Which statement is true?
View solution
Q. Which statement is true?
View solution
Q. Which statement is true?
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!
.png)
