What error, if any, is in the following code? int num; Scanner input = new Scanner(System.in); System.out.print(Enter a number: ); num = input.nextLine();

Group of answer choices

A.)The variable num must have an initial value.

B)The Scanner object must be created before num is declared.

C)The method nextInt must be used instead of nextLine.

D)This code is correct as is.