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2 cards from this section. Quick, good the night before a test.
What does the AtomicInteger class do?
Look for operations that are performed thread-safely.
Is it necessary to use synchronization when using atomic variables?
Think about the benefits of atomic operations.
What class provides lock-free thread-safe operations on integers?
Focus on the class that operates specifically on integers.
True or False: Atomic variables require explicit synchronization to ensure thread safety.
What do you remember about atomic operations?
Design a banking system where multiple threads can securely increment a user's balance using AtomicInteger. Discuss how you would manage the account transactions.
How can you ensure each operation finishes without interference from others?
Given a counter that can be safely incremented by several threads, illustrate how using synchronized methods could differ from using AtomicInteger in terms of performance. What would you observe in a high-load scenario?
What are the risks of having thread contention?
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