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Return the contained value, if present, otherwise throw an exception to be
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This class implements a simple HTTP server. A HttpServer is bound to an IP
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ArrayList is an implementation of List, backed by an array. All optional
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HashSet is an implementation of a Set. All optional operations (adding and
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LinkedHashMap is an implementation of Map that guarantees iteration order. All
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UUID is an immutable representation of a 128-bit universally unique identifier
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