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An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
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Thrown when trying to retrieve an element past the end of an Enumeration or
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A task that returns a result and may throw an exception. Implementors define a
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
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An interface for the creation of Connection objects which represent a connection
to a database. This
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