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Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
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This exception is thrown when a program attempts to create an URL from an
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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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An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
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