Java

Edit this Question Delete this Question

0 multiple_choice_question 790694

(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: ); num = input.nextLine();

(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: ); num = input.nextLine();

The variable num must have an initial value.

The Scanner object must be created before num is declared.

The method nextDouble must be used instead of nextLine.

This code is correct as is.

Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question.

Flag this Question

Question 10 3 pts

Edit this Question Delete this Question

0 multiple_choice_question 790699

(TCOs 1, 2, and 6) What does the following code display? public class RentalApp { public static void main(String[] args) { Rental r = new Rental(); r.setNumOfPersons(4); r.addPerson(); r.addPerson(); System.out.println(r.getNumOfPersons()); } } public class Rental { private int numOfPersons; public int getNumOfPersons() { return numOfPersons; } public void setNumOfPersons(int numOfPersons) { this.numOfPersons = numOfPersons; } public void addPerson() { numOfPersons = numOfPersons + 1; } }

(TCOs 1, 2, and 6) What does the following code display? public class RentalApp { public static void main(String[] args) { Rental r = new Rental(); r.setNumOfPersons(4); r.addPerson(); r.addPerson(); System.out.println(r.getNumOfPersons()); } } public class Rental { private int numOfPersons; public int getNumOfPersons() { return numOfPersons; } public void setNumOfPersons(int numOfPersons) { this.numOfPersons = numOfPersons; } public void addPerson() { numOfPersons = numOfPersons + 1; } }

0

5

6

7