Practice The Java Memory Model (JMM) - 20.1 | 20. Java Memory Model and Thread Safety | Advance Programming In Java
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the Java Memory Model specify?

πŸ’‘ Hint: Think of thread interactions and shared variables.

Question 2

Easy

Define visibility in the context of the JMM.

πŸ’‘ Hint: Focus on the importance of thread changes.

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 does the Java Memory Model define?

  • Access to local variables
  • How threads interact through shared variables
  • Thread scheduling

πŸ’‘ Hint: Think about the purpose of the JMM.

Question 2

True or False: Changes made by one thread are always visible to other threads immediately.

  • True
  • False

πŸ’‘ Hint: Consider how memory visibility is structured in concurrent programming.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Write a small Java program that demonstrates a race condition when two threads attempt to increment a shared counter. Explain how you would fix it.

πŸ’‘ Hint: Look for critical sections where shared state is modified.

Question 2

Describe a situation where using a volatile variable is necessary. Provide an example.

πŸ’‘ Hint: Think of flags used for signaling between threads.

Challenge and get performance evaluation