Return first digit of an integer

Question

How in Java do you return the first digit of an integer.?

i.e.

345

Returns an int of 3.

Answer 1

Yet another way:

public int firstDigit(int x) {
  if (x == 0) return 0;
  x = Math.abs(x);
  return (int) Math.floor(x / Math.pow(10, Math.floor(Math.log10(x))));
}