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Calendar is an abstract base class for converting between a Date object and a
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
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An ExecutorService that executes each submitted task using one of possibly
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General file manipulation utilities. Facilities are provided in the following
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The BufferedImage subclass describes an java.awt.Image with an accessible buffer
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Class that models an arbitrary location in a Resource.Typically used to track
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