class Calculator { public static void main(String[] args) { String seq = args[0]; // "1,2,3" String s = args[1]; // "5" String[] numbers = seq.split(","); // "1" "2" "3" int[] a = new int[numbers.length]; for (int i = 0; i < a.length; i++) a[i] = Integer.parseInt(numbers[i]); // a == 1 2 3 int m = Integer.parseInt(s); // m == 5 IntVector v = new IntVector(a); v.add(m); System.out.println(v); } }