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An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
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A Map is a data structure consisting of a set of keys and values in which each
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TreeSet is an implementation of SortedSet. All optional operations (adding and
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A synchronization aid that allows one or more threads to wait until a set of
operations being perfor
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Patterns are compiled regular expressions. In many cases, convenience methods
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A Java virtual machine.
A VirtualMachine represents a Java virtual machine to which this Java vir
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