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An URLConnection for HTTP (RFC 2616 [http://tools.ietf.org/html/rfc2616]) used
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This class contains various methods for manipulating arrays (such as sorting and
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A Set is a data structure which does not allow duplicate elements.
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
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Patterns are compiled regular expressions. In many cases, convenience methods
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