How to get the separate digits of an int number?

Question

I have numbers like 1100, 1002, 1022 etc. I would like to have the individual digits, for example for the first number 1100 I want to have 1, 1, 0, 0.

How can I get

Answer 1

Java 8 solution to get digits as int[] from an integer that you have as a String:

int[] digits = intAsString.chars().map(i -> i - '0').toArray();