Java - Bucket Sort

public static long bucketSort(int[] list, int MAX) {
        int[] bucket = new int[MAX + 1];

        for(int i = 0; i < bucket.length; i++) {
            bucket[i] = 0;
        }

        for(int i = 0; i < list.length; i++) {
            bucket[list[i]]++;
        }

        int outPos = 0;
        for(int i = 0; i < bucket.length; i++) {
            for(int j = 0; j < bucket[i]; j++) {
                list[outPos++] = i;
            }
        }

        return list;
}