Practice Modern Alternatives - 23.8.2 | 23. Java Memory Model and Thread Safety | Advanced Programming
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does ConcurrentHashMap allow regarding thread access?

💡 Hint: Think about threading and data structures.

Question 2

Easy

In what scenario is CopyOnWriteArrayList most useful?

💡 Hint: Consider where changes in data happen infrequently.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the main benefit of using ConcurrentHashMap?

  • Single-thread access
  • Reduced contention
  • More expensive locks

💡 Hint: Think about how it handles access differently than traditional maps.

Question 2

True or False: CopyOnWriteArrayList is ideal for high write scenarios.

  • True
  • False

💡 Hint: Consider the operations involved in frequent modifications.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a multi-threaded application using ConcurrentHashMap to tally votes in an election, detailing how you will handle thread safety and contention.

💡 Hint: Focus on how to manage concurrent updates effectively.

Question 2

In a streaming application, implement a data processing pipeline with BlockingQueue for buffering incoming data chunks between producers and consumers. Describe the roles of each component.

💡 Hint: Identify the benefits of blocking in your implementation.

Challenge and get performance evaluation