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A class for turning a byte stream into a character stream. Data read from the
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A connection represents a link from a Java application to a database. All SQL
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HashSet is an implementation of a Set. All optional operations (adding and
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This class provides methods that return pseudo-random values.It is dangerous to
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UUID is an immutable representation of a 128-bit universally unique identifier
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An Executor that provides methods to manage termination and methods that can
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