What are the differences between CountdownLatch and CyclicBarrier?
CountdownLatch is used to wait for a set of operations to complete, while CyclicBarrier is used to make threads wait for each other.
Can you give an example of when to use each?
Use CountdownLatch when you need to wait for multiple threads to finish before proceeding. Use CyclicBarrier when you want to synchronize threads at a certain point.
Are there any limitations to using these constructs?
Yes, CountdownLatch cannot be reused once the count reaches zero, while CyclicBarrier can be reset for reuse.
Which one is better for performance?
It depends on the use case. CountdownLatch is generally simpler and more efficient for one-time waits, while CyclicBarrier is better for repeated synchronization.
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