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A controller for the selection of SelectableChannel objects. Selectable channels
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Uses a one-way hash function to turn an arbitrary number of bytes into a
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A connection represents a link from a Java application to a database. All SQL
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UUID is an immutable representation of a 128-bit universally unique identifier
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
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A Window object is a top-level window with no borders and no menubar. The
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