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This class implements a simple HTTP server. A HttpServer is bound to an IP
address and port number a
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A collection designed for holding elements prior to processing. Besides basic
java.util.Collection o
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A map that has its keys ordered. The sorting is according to either the natural
ordering of its keys
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TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
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Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
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