LeetCode 334: Increasing Triplet Subsequence

class Solution {
    public boolean increasingTriplet(int[] nums) {
        if (nums.length < 3) {
            return false;
        }
        int small = Integer.MAX_VALUE;
        int middle = Integer.MAX_VALUE;
        
        for (int num : nums) {
            if (num <= small) {
                small = num;
            } else if (num <= middle) {
                middle = num;
            } else {
                return true;
            }
        }
        return false;
    }
}