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Provides access to system-related information and resources including standard
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A class which can consume and produce dates in SQL Date format. Dates are
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This class contains various methods for manipulating arrays (such as sorting and
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This is the central class in the log4j package. Most logging operations, except
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A collection that associates an ordered pair of keys, called a row key and a
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A Java virtual machine.
A VirtualMachine represents a Java virtual machine to which this Java vir
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