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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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An abstraction for a native pointer data type. A Pointer instance represents, on
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An URLConnection for HTTP (RFC 2616 [http://tools.ietf.org/html/rfc2616]) used
to send and receive d
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A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
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Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
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Is the value null?
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