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Thrown when a file specified by a program cannot be found.
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A specialized Reader that reads from a file in the file system. All read
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An URLConnection for HTTP (RFC 2616 [http://tools.ietf.org/html/rfc2616]) used
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TreeSet is an implementation of SortedSet. All optional operations (adding and
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Patterns are compiled regular expressions. In many cases, convenience methods
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