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An URLConnection for HTTP (RFC 2616 [http://tools.ietf.org/html/rfc2616]) used
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An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
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Provides a client-side TCP socket.
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The TimerTask class represents a task to run at a specified time. The task may
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TreeSet is an implementation of SortedSet. All optional operations (adding and
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