1779. Find Neaerest Point That Has the Same X or Y Coordinate #

class Solution {
    public boolean isValid(int x, int y, int[] point) {
        return x == point[0] || y == point[1];
    }
    public int manhattan(int x, int y, int[] point) {
        return Math.abs(x-point[0]) + Math.abs(y-point[1]);
    }
    public int nearestValidPoint(int x, int y, int[][] points) {
        int distance = Integer.MAX_VALUE, ans = -1;
        for (int i = 0; i < points.length; i++) {
            if (isValid(x, y, points[i]) == false) continue;
            if (manhattan(x, y, points[i]) < distance) { distance = manhattan(x, y, points[i]); ans = i; }
        }
        return ans;
    }
}