Java - Insertion Sort

public static long insertionSort(int[] list) {
    int i, j, key;

    for(j = 1; j < list.length; j++) {
        key = list[j];
        for(i = j - 1; (i >= 0) && (list[i] > key); i--) {
            list[i + 1] = list[i];
        }
        list[i + 1] = key;
    }

    return list;
}