Which of the following library functions could be used to validate that the correct data type was input for an amount of money?
A)isInteger
B)isString
C)toLower
D)isReal
E)All of the above

Question

Quizplus · Accepted Answer

The isReal library function can be used to validate that the input is of type real or floating point, which is the appropriate data type for an amount of money. The other options (isInteger, isString, and toLower) are not relevant for validating a monetary value.

Which of the Following Library Functions Could Be Used to Validate