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Return the contained value, if present, otherwise throw an exception to be
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A BufferedInputStream adds functionality to another input stream-namely, the
ability to buffer the i
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An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
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The abstract base class for all number formats. This class provides the
interface for formatting and
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Locale represents a language/country/variant combination. Locales are used to
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A Set is a data structure which does not allow duplicate elements.
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A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
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