Replace first line of a text file in Java

Question

I have a text file where I want to change only the first line of the file. The file could be millions of rows long, so I\'d rather not have to loop over everything, so I\'m

Answer 1

Why not write a Perl script and invoke it using Runtime.exec(). Not a pure java solution though. Also have a look at this article before going deep http://www.javaworld.com/javaworld/jw-12-2000/jw-1229-traps.html