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Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
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Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
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A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
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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 Executor that provides methods to manage termination and methods that can
produce a Future for tr
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