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A concrete subclass of NumberFormat that formats decimal numbers. It has a
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HashMap is an implementation of Map. All optional operations are supported.All
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A PriorityQueue holds elements on a priority heap, which orders the elements
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A Properties object is a Hashtable where the keys and values must be Strings.
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UUID is an immutable representation of a 128-bit universally unique identifier
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A filter is an object that performs filtering tasks on either the request to a
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