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Return the contained value, if present, otherwise throw an exception to be
created by the provided s
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Thrown when a file specified by a program cannot be found.
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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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Provides access to system-related information and resources including standard
input and output. Ena
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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 abstract base class for all number formats. This class provides the
interface for formatting and
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