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What is "err" stream ?

omkar patkar
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Joined: Aug 25, 2005
Posts: 231
What is "err" stream ? How is it different from normal IO stream ?


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Omkar Patkar (SCJP 1.4)[url]http://javacollectionsnotes.blogspot.com[/url] | [url]http://omkar-myscjpexp.blogspot.com[/url]
Layne Lund
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Joined: Dec 06, 2001
Posts: 3061
I'm not sure what you mean by "normal IOStream". The "err" stream is an OutputStream. It differs from the "out" stream in that it prints its output to "standard error" (or stderr) where as "out" prints to "standard out" (or stdout). The terms stderr and stdout steam from Unix where it is common to separate the "regular" output from the error messages. This allows you to redirect the "regular" output to a file and let the error messages print to the console, for example.

Layne


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