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A readable source of bytes.Most clients will use input streams that read data
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A linear collection that supports element insertion and removal at both ends.
The name deque is shor
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Vector is an implementation of List, backed by an array and synchronized. All
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
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A reentrant mutual exclusion Lock with the same basic behavior and semantics as
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