(TCOs 1, 2, and 6) What error, if any, is in the following code? double num; Scanner input-new Scanner(System.in); System.out.print( Enter a number: numinput.nextLine0; num-input.nextLine0: O The variable num must have an initial value. O The Scanner object must be created before num is declared. O The method nextDouble must be used instead of nextLine. O This code is correct as is