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Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
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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 connection represents a link from a Java application to a database. All SQL
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A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
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An int value that may be updated atomically. See the java.util.concurrent.atomic
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