Practice Volatile Keyword - 23.5 | 23. Java Memory Model and Thread Safety | Advanced Programming
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23.5 - Volatile Keyword

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the 'volatile' keyword assure in Java?

💡 Hint: Consider what visibility means in terms of multiple threads accessing a variable.

Question 2

Easy

True or False: The 'volatile' keyword guarantees atomicity.

💡 Hint: Remember the meaning of atomicity when you think about multiple operations.

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 volatile keyword in Java?

  • To ensure atomic operations
  • To guarantee visibility of variables
  • To optimize performance

💡 Hint: Consider how it influences visibility in multithreaded scenarios.

Question 2

True or False: A volatile variable can be safely incremented by multiple threads.

  • True
  • False

💡 Hint: Think about what makes an operation atomic.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Write a Java program where you use both error-prone increments without volatile and solve it using the volatile keyword. Explain the differences you observe.

💡 Hint: Focus on how value changes when multiple threads increment.

Question 2

Reflect on a scenario involving multiple threads accessing a shared variable without volatile. Describe potential errors and how to resolve them with appropriate keywords.

💡 Hint: Consider the race condition and its implications on smooth execution.

Challenge and get performance evaluation