Build an Array With Stack Operations LeetCode solution in Java

1
class Solution {
2
  public List<String> buildArray(int[] target, int n) {
3
    List<String> result = new ArrayList<>();
4
    int i = 1, j = 0;
5
    while (j < target.length) {
6
      result.add("Push");
7
      if (i == target[j]) {
8
        j++;
9
      } else {
10
        result.add("Pop");
11
      }
12
      i++;
13
    }
14
    return result;
15
  }
16
}