Minimum Consecutive Cards to Pick Up LeetCode solution in Java

1
class Solution {
2
  public int minimumCardPickup(int[] cards) {
3
    Map<Integer, Integer> map = new HashMap<>();
4
    int min = Integer.MAX_VALUE;
5
    for (int i = 0; i < cards.length; i++) {
6
      if (map.containsKey(cards[i]))
7
        min =
8
            Math.min(
9
                i - map.get(cards[i]) + 1,
10
                min); // Check if the difference in indices is smaller than minimum
11
      map.put(cards[i], i); // Update the last found index of the card
12
    }
13
    return min == Integer.MAX_VALUE ? -1 : min; // Repetition found or not
14
  }
15
}