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KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
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A concrete subclass of NumberFormat that formats decimal numbers. It has a
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A linear collection that supports element insertion and removal at both ends.
The name deque is shor
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LinkedHashMap is an implementation of Map that guarantees iteration order. All
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A Set is a data structure which does not allow duplicate elements.
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UUID is an immutable representation of a 128-bit universally unique identifier
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