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2 cards from this section. Quick, good the night before a test.
What is a parallel stream in Java?
Think about how threads work together.
State one advantage of using parallel streams.
What does concurrency improve?
What is the main benefit of using a parallel stream?
Think about how multiple tasks can be processed together.
Is it true that all operations in parallel streams are thread-safe?
What happens when multiple threads change the same thing?
Create a parallel stream to find the total sum of even numbers in a list of integers. Discuss the potential pitfalls of your approach.
Ensure you handle the collection properly to avoid mutable state issues.
Given a list of strings, create a parallel stream that counts how many strings start with the letter 'A'. Discuss the thread-safety implications.
Think about safely counting results without altering the list during execution.
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