sorting lines of an enormous file.txt in java

Question

I\'m working with a very big text file (755Mb). I need to sort the lines (about 1890000) and then write them back in another file.

I already noticed that discussion

Answer 1

divide and conquer is the best solution :)

divide your file to smaller ones, sort each file seperately then regroup.

Links:

Sort a file with huge volume of data given memory constraint

http://hackerne.ws/item?id=1603381