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Wraps an existing Reader and buffers the input. Expensive interaction with the
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An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
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A writable sink for bytes.Most clients will use output streams that write data
to the file system (
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A connection to a URL for reading or writing. For HTTP connections, see
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Calendar is an abstract base class for converting between a Date object and a
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