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This class contains various methods for manipulating arrays (such as sorting and
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HashSet is an implementation of a Set. All optional operations (adding and
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This class provides methods that return pseudo-random values.It is dangerous to
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A Handler object accepts a logging request and exports the desired messages to a
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The LoggerFactory is a utility class producing Loggers for various logging APIs,
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The annotation structure.An instance of this class is returned bygetAnnotations() in AnnotationsAttr
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