How to iterate over a 2D array with a single loop?

Question

how can we navigate through the two dimensional array without using nested loops.i.e by using only one loop.

 String ar[][]=new  String [3][4];

Answer 1

Here's a hint:

int i = 9;
System.out.println(i / 4);  // 2
System.out.println(i % 4);  // 1