Fastest way to write an array of integers to a file in Java?

Question

As the title says, I\'m looking for the fastest possible way to write integer arrays to files. The arrays will vary in size, and will realistically contain anywhere between

Answer 1

I think you should consider using file channels (the java.nio library) instead of plain streams (java.io). A good starting point is this interesting discussion: Java NIO FileChannel versus FileOutputstream performance / usefulness

and the relevant comments below.

Cheers!