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An abstraction for a native pointer data type. A Pointer instance represents, on
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A connection represents a link from a Java application to a database. All SQL
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This class provides methods that return pseudo-random values.It is dangerous to
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A synchronization aid that allows one or more threads to wait until a set of
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
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General file manipulation utilities. Facilities are provided in the following
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