JAVA11

Which of the following is true about threads in Java?

• Threads cannot be created in Java.

• Threads can only be created using the Runnable interface.

• All Java programs have multiple threads by default.

• Only one thread can be created in a Java program.

What is the correct way to create a new thread in Java?

• Thread t = new Thread(start);

• Thread t = Thread.new(start);

• Thread t = new Thread(start());

• Thread t = new Thread(start);

3. Which method is used to start the execution of a thread in Java?

• run()

• start()

• execute()

• init()

What does it mean for a thread to be in the “blocked” state?

• The thread has completed its execution.

• The thread is waiting for user input.

• The thread is sleeping or waiting for a monitor lock.

• The thread is executing its tasks normally

What is the purpose of the sleep() method in Java?

• It pauses the execution of the current thread for a specific duration.

• It stops the execution of the current thread permanently.

• It waits for a specific condition to be true before continuing.

• It suspends the execution of all threads in the program

Which method is used to check if a thread is still active in Java?

• isActive()

• isRunning()

• isAlive()

• isExecuting()

What happens when a thread’s run() method completes its execution?

• The thread terminates automatically.

• The thread pauses and waits for further instructions.

• The thread switches to the blocked state.

• The thread continues executing from the beginning.

How can you ensure that multiple threads access a shared resource safely in Java?

• By using proper synchronization techniques.

• By terminating all but one thread that needs to access the resource.

• By increasing the priority of the threads.

• By using wait() and notify() methods.

Which method is used to stop the execution of a thread in Java?

• stop()

• terminate()

• interrupt()

• pause()

How can you retrieve the current thread’s name in Java?

• Thread.name()

• Thread.currentThread()

• Thread.getName()

• Thread.currentThreadName()