LintCode-9.Fizz Buzz 问题

[
  "1", "2", "fizz",
  "4", "buzz", "fizz",
  "7", "8", "fizz",
  "buzz", "11", "fizz",
  "13", "14", "fizz buzz"
]

class Solution {
    /**
     * param n: As description.
     * return: A list of strings.
     */
    public ArrayList<String> fizzBuzz(int n) {
        ArrayList<String> results = new ArrayList<String>();
        for (int i = 1; i <= n; i++) {
            if (i % 15 == 0) {
                results.add("fizz buzz");
            } else if (i % 5 == 0) {
                results.add("buzz");
            } else if (i % 3 == 0) {
                results.add("fizz");
            } else {
                results.add(String.valueOf(i));
            }
        }
        return results;
    }
}