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An output stream that writes bytes to a file. If the output file exists, it can
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A writable sink for bytes.Most clients will use output streams that write data
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A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
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The BitSet class implements abit array [http://en.wikipedia.org/wiki/Bit_array].
Each element is eit
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A task that returns a result and may throw an exception. Implementors define a
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Is the value null?
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