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Return the contained value, if present, otherwise throw an exception to be
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The TimerTask class represents a task to run at a specified time. The task may
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TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
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The Manifest class is used to obtain attribute information for a JarFile and its
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A generic Abstract Window Toolkit(AWT) container object is a component that can
contain other AWT co
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