Reading a binary file in Java

Question

I have a comparatively long file of unsigned integers (64 bits each, 0.47GB file) that I need to read and store in an array. After some brain racking I wound up using the ty

Answer 1

You should use buffered input, something like:

new DataInputStream(
    new BufferedInputStream(
        new FileInputStream(new File(input_file))))

Answer 2

Want to object of the file:

new ObjectInputStream(
    new BufferedInputStream(
        new FileInputStream(new File(file_name))))

More about difference