Quick Answer
Fork/Join splits a task recursively into smaller subtasks (fork), processes them in parallel, then combines results (join). Uses work-stealing: idle threads steal tasks from busy threads' queues. Implement RecursiveTask (returns result) or RecursiveAction (no result). Use ForkJoinPool or parallelStream (which uses the common ForkJoinPool internally). Best for divide-and-conquer algorithms on large datasets.
Answer
Fork/Join supports parallel processing using divide-and-conquer approach. Uses ForkJoinPool and RecursiveTask or RecursiveAction. Ideal for large recursive computations.
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Verified Answer
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