Question

What data type should be used to store a count of items in a shopping cart?

Select one:

a. int

b. String

c. double

d. char

e. boolean

What data type should be used to store the dollar amount in a shopping cart?

Select one:

a. boolean

b. char

c. String

d. int

e. double

Answer 1

According to the problem statements above,

The answers are as follows,

What data type should be used to store a count of items in a shopping cart?

• Answer: a) int
• Explanation:
  • count of the items in cart must be int because, int represents single value which can be incrementable and precise while showing items count to the user in the cart.
  • The other options are FALSE
    • b) string is not incrementable
    • c) double will have float values which is useless to display the count
    • d) char stores only characters
    • e) boolean only stores TRUE/FALSE not integers

What data type should be used to store the dollar amount in a shopping cart?

• Answer: e) double
• Explanation:
  • double will store floating values as well. Dollars contains float values like $1.5 dollar, $3.4 dollars, etc
  • These are only accepted by doubldouble will have float values which is useless to display the counte data type.
  • The other options are FALSE
    • a) boolean only stores TRUE/FALSE not dollar values
    • b) char stores only characters
    • c) string is not incrementable
    • d) int can't store dollar values because it can't store float values

I hope the above explanation and information will help you out!

Thank you!