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This class generates cryptographically secure pseudo-random numbers. It is best
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A collection designed for holding elements prior to processing. Besides basic
java.util.Collection o
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UUID is an immutable representation of a 128-bit universally unique identifier
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A task that returns a result and may throw an exception. Implementors define a
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- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
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Abstract superclass of object loading (and querying) strategies. This class
implements useful common
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