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Return the contained value, if present, otherwise throw an exception to be
created by the provided s
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Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
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A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
- Collection (java.util)
Collection is the root of the collection hierarchy. It defines operations on
data collections and t
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GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
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HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
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The BufferedImage subclass describes an java.awt.Image with an accessible buffer
of image data. All
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