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Return the contained value, if present, otherwise throw an exception to be
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ArrayList is an implementation of List, backed by an array. All optional
operations including adding
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Calendar is an abstract base class for converting between a Date object and a
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ResourceBundle is an abstract class which is the superclass of classes which
provide Locale-specifi
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This is the central class in the log4j package. Most logging operations, except
configuration, are d
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