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This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
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A Comparator is used to compare two objects to determine their ordering with
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Stack is a Last-In/First-Out(LIFO) data structure which represents a stack of
objects. It enables u
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Provides Base64 encoding and decoding as defined by RFC 2045.This class
implements section 6.8. Base
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This is the central class in the log4j package. Most logging operations, except
configuration, are d
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