Java Synchronization and Process Synchronization

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What is the primary purpose of JVM's synchronization mechanism in Java?

To allow multiple threads to access shared resources simultaneously
To prioritize threads based on their importance
To enable thread communication through shared variables
To ensure that only one thread can execute a block of code at a time (correct)

What is the primary function of locks in Java synchronization?

To enforce exclusive access to an object's state (correct)
To allow multiple threads to access shared resources simultaneously
To establish thread priorities
To enable thread communication

What happens when a thread attempts to acquire a lock that is already owned by another thread?

It will notify another thread to acquire the lock
It will immediately acquire the lock
It will terminate itself
It will block until the lock is released (correct)

What is the main difference between process synchronization and thread synchronization?

Process synchronization deals with shared system resources, while thread synchronization deals with shared data between threads (C) Signup and view all the answers

What is the primary purpose of a critical section in Java?

To ensure that only one thread executes at a time (D) Signup and view all the answers

What happens when a thread acquires a lock in Java?

The thread is allowed to access the object's state (A) Signup and view all the answers

What is the effect of declaring a method with the synchronized keyword?

It ensures that only one thread can execute the method at a time (B) Signup and view all the answers

What is the purpose of releasing a lock in Java?

To allow other threads to access the object's state (A) Signup and view all the answers

What is the term used to describe the state of a thread that has acquired a lock and released it?

Thread ownership (D) Signup and view all the answers

What is the purpose of synchronization in Java?

To prevent race conditions and ensure thread safety (D) Signup and view all the answers

What is the result of not using synchronization in Java?

Race conditions and data inconsistency (C) Signup and view all the answers

How many methods of synchronization are mentioned in the text?

3 (D) Signup and view all the answers

What is the purpose of using a synchronized block in Java?

To synchronize only a part of the code within a method (D) Signup and view all the answers

What is the result of not using the synchronized keyword in a multi-threaded environment?

A race condition may occur (D) Signup and view all the answers

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

To pause the execution of a thread until a condition is met (B) Signup and view all the answers

What is the difference between a synchronized method and a synchronized block?

A synchronized method synchronizes the entire method, while a synchronized block synchronizes only a part of the code (B) Signup and view all the answers

What is the name of the exception that is thrown when the wait(), notify(), or notifyAll() methods are used outside a synchronized block?

IllegalMonitorStateException (B) Signup and view all the answers

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

To notify all threads that are waiting on a condition (B) Signup and view all the answers