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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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A concrete subclass of NumberFormat that formats decimal numbers. It has a
variety of features desig
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GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
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Factory and utility methods for Executor, ExecutorService,
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Defines a general exception a servlet can throw when it encounters difficulty.
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The Font class represents fonts, which are used to render text in a visible way.
A font provides the
- Window (java.awt)
A Window object is a top-level window with no borders and no menubar. The
default layout for a windo
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