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An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
address, and in pra
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A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
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A connection represents a link from a Java application to a database. All SQL
statements and results
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This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
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A linear collection that supports element insertion and removal at both ends.
The name deque is shor
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A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
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