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Return the contained value, if present, otherwise throw an exception to be
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An immutable arbitrary-precision signed decimal.A value is represented by an
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A concrete subclass of NumberFormat that formats decimal numbers. It has a
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A parser that parses a text string of primitive types and strings with the help
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Provides an abstract class to be subclassed to create an HTTP servlet suitable
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Provides Base64 encoding and decoding as defined by RFC 2045.This class
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