4.6 - Concurrent Collections
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.
Practice Questions
Test your understanding with targeted questions
What is the main advantage of using ConcurrentHashMap?
💡 Hint: Think about how it manages multiple threads.
What does CopyOnWriteArrayList do when a new element is added?
💡 Hint: Consider how memory management works in this implementation.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary feature of ConcurrentHashMap?
💡 Hint: Think about how this map helps in a multi-threaded environment.
Truth or False: CopyOnWriteArrayList allows concurrent writes to the list without any modifications.
💡 Hint: Consider how modifications affect the data structure.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a multi-threaded application using ConcurrentHashMap to track sales in a retail environment, explaining how you handle updates and ensure consistency.
💡 Hint: Think about how to represent sales data in terms of keys and values.
Create a scenario where using CopyOnWriteArrayList improves application performance, then explain how you would implement this in code.
💡 Hint: Consider how often users interact with your application.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.