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Wraps either an existing OutputStream or an existing Writerand provides
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Allows reading from and writing to a file in a random-access manner. This is
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This class represents a server-side socket that waits for incoming client
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Formats or parses dates and times.This class provides factories for obtaining
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Factory and utility methods for Executor, ExecutorService,
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XPath provides access to the XPath evaluation environment and expressions.
Evaluation of XPath Expr
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