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Return the contained value, if present, otherwise throw an exception to be
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Allows reading from and writing to a file in a random-access manner. This is
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An immutable arbitrary-precision signed integer.FAST CRYPTOGRAPHY
This implementation is efficient f
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The base class for all formats. This is an abstract base class which specifies
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ArrayList is an implementation of List, backed by an array. All optional
operations including adding
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This is the central class in the log4j package. Most logging operations, except
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A filter is an object that performs filtering tasks on either the request to a
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