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Provides a client-side TCP socket.
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An ordered collection (also known as a sequence). The user of this interface has
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ResourceBundle is an abstract class which is the superclass of classes which
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XPath provides access to the XPath evaluation environment and expressions.
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General IO stream manipulation utilities. This class provides static utility
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Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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