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A specialized Writer that writes to a file in the file system. All write
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A charset is a named mapping between Unicode characters and byte sequences.
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A Set is a data structure which does not allow duplicate elements.
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General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
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This is the central class in the log4j package. Most logging operations, except
configuration, are d
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A Window object is a top-level window with no borders and no menubar. The
default layout for a windo
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