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A controller for the selection of SelectableChannel objects. Selectable channels
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A class which can consume and produce dates in SQL Date format. Dates are
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An interface for an object which represents a database table entry, returned as
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The abstract base class for all number formats. This class provides the
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An iterator over a sequence of objects, such as a collection.If a collection has
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An interface for the creation of Connection objects which represent a connection
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