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Return the contained value, if present, otherwise throw an exception to be
created by the provided s
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An URLConnection for HTTP (RFC 2616 [http://tools.ietf.org/html/rfc2616]) used
to send and receive d
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GregorianCalendar is a concrete subclass of Calendarand provides the standard
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JarFile is used to read jar entries and their associated data from jar files.
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Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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The GridBagLayout class is a flexible layout manager that aligns components
vertically and horizonta
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The annotation structure.An instance of this class is returned bygetAnnotations() in AnnotationsAttr
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