public static void roteer(int[] seq) {
        if (seq != null) {
            int temp = seq[seq.length-1];
            for (int i=seq.length-1; i > 0 ; i--) {
                if (i==0) {
                    seq[0] = temp;
                }
                else {
                    seq[i] = seq[i-1];
                }

            }

        }
    }

Output with array seq {1,2,3,4,5,6,7,8,9,10}:
1 2 3 4 5 6 7 8 9 10
1 1 2 3 4 5 6 7 8 9