Java: Interleaving multiple arrays into a single array

Question

I found similar question about interleaving two arraylists into one, but its in PHP. I was asked this question in interview as well but could\'nt solve it, came back to SO t

Answer 1

For simplicity, assume that the arrays are the same length, and are int arrays.

int[] merge(int[] a, int[] b)
{
    assert (a.length == b.length);

    int[] result = new int[a.length + b.length];

    for (int i=0; i