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An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
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A class for turning a byte stream into a character stream. Data read from the
source input stream is
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An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
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A parser that parses a text string of primitive types and strings with the help
of regular expressio
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A Set is a data structure which does not allow duplicate elements.
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