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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a parallel stream in Java?
💡 Hint: Think about how threads work together.
Question 2
Easy
State one advantage of using parallel streams.
💡 Hint: What does concurrency improve?
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 a parallel stream?
- A. Single-threaded processing
- B. Improved performance for concurrent tasks
- C. Limited data processing options
💡 Hint: Think about how multiple tasks can be processed together.
Question 2
Is it true that all operations in parallel streams are thread-safe?
- True
- False
💡 Hint: What happens when multiple threads change the same thing?
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a parallel stream to find the total sum of even numbers in a list of integers. Discuss the potential pitfalls of your approach.
💡 Hint: Ensure you handle the collection properly to avoid mutable state issues.
Question 2
Given a list of strings, create a parallel stream that counts how many strings start with the letter 'A'. Discuss the thread-safety implications.
💡 Hint: Think about safely counting results without altering the list during execution.
Challenge and get performance evaluation