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A specialized Writer that writes to a file in the file system. All write
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An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
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This class consists exclusively of static methods that operate on or return
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TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
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An ExecutorService that executes each submitted task using one of possibly
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Patterns are compiled regular expressions. In many cases, convenience methods
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