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A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
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A class which can consume and produce dates in SQL Date format. Dates are
represented in SQL as yyyy
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The abstract base class for all number formats. This class provides the
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This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
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Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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