Find the integer appearing most time in the array

MostAppear.Java

public class MostAppear {

    public static void main(String[] args) {
        int[] arr = {1, 2, 3, 4, 1, 6, 1, 2, 2, 2, 2, 4, 6};
        System.out.println("Max appearance number is " + maxAppearance(arr));
    }

    public static int maxAppearance(int[] arr) {
        int len = arr.length;
        int max_count = 1;
        int app_int = arr[0];
        int current_count = 1;

        for (int i = 1; i < len; i++) {
            if (arr[i] == arr[i - 1]) {
                current_count++;
            } else {
                if (current_count > max_count) {
                    max_count = current_count;
                    app_int = arr[i - 1];
                }
                current_count = 1;
            }
        }
        return app_int;
    }
}