Practice java.util.concurrent.atomic Package - 23.6.1 | 23. Java Memory Model and Thread Safety | Advanced Programming
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23.6.1 - java.util.concurrent.atomic Package

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the AtomicInteger class do?

💡 Hint: Think about operations that need to be safe in a multi-threaded context.

Question 2

Easy

Name two classes in the java.util.concurrent.atomic package.

💡 Hint: Recall the classes that handle specific data types.

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 purpose of the java.util.concurrent.atomic package?

  • To provide synchronized collections
  • To offer lock-free operations on variables
  • To manage memory efficiency

💡 Hint: Consider what 'lock-free' means in the context of threading.

Question 2

True or False: The compareAndSet() method guarantees that a variable will always be updated.

  • True
  • False

💡 Hint: Reflect on what 'compare' indicates about the operation.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a multi-threaded application to simulate a stock trading system where multiple traders can update their balances concurrently using AtomicInteger.

💡 Hint: Consider how transactions will be managed.

Question 2

Create an application that tracks the number of visitors to a website using AtomicLong. Ensure that the counting is thread-safe as multiple requests come in at the same time.

💡 Hint: Focus on where the count needs to be updated.

Challenge and get performance evaluation