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A Uniform Resource Locator that identifies the location of an Internet resource
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The abstract base class for all number formats. This class provides the
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Vector is an implementation of List, backed by an array and synchronized. All
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An ExecutorService that executes each submitted task using one of possibly
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General file manipulation utilities. Facilities are provided in the following
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This is the central class in the log4j package. Most logging operations, except
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