Practice Locks and Concurrency Utilities - 20.4.4 | 20. Java Memory Model and Thread Safety | Advance Programming In Java
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Locks and Concurrency Utilities

20.4.4 - Locks and Concurrency Utilities

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does ReentrantLock allow a thread to do?

💡 Hint: Think about how it relates to threading operations.

Question 2 Easy

List a benefit of ReadWriteLock.

💡 Hint: Consider read-write operations in programming.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of ReentrantLock?

Allows multiple threads to read
Allows a thread to reacquire the lock
Allows only one thread at a time

💡 Hint: Focus on what makes a lock 'reentrant.'

Question 2

True or False: ReadWriteLock allows multiple threads to write at the same time.

True
False

💡 Hint: Consider how reads and writes should interact.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a small application that implements both ReadWriteLock and ReentrantLock effectively. Explain the rationale behind choosing each lock type.

💡 Hint: Focus on how the locks can improve efficiency.

Challenge 2 Hard

Describe a scenario where StampedLock would be beneficially implemented as opposed to traditional locking mechanisms.

💡 Hint: Consider system performance dynamics.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.