Consider a Rational Class Designed to Represent Rational Numbers as a Pair

question 2

Multiple Choice

Consider a Rational class designed to represent rational numbers as a pair of ints, along with methods reduce (to reduce the rational to simplest form) , gcd (to find the greatest common divisor of two ints) , as well as methods for addition, subtraction, multiplication, and division. Why should the reduce and gcd methods be declared to be private?

• A) because they will never be used
• B) because they will only be called from methods inside Rational
• C) because they will only be called from the constructor of Rational
• D) because they do not use any of the Rational instance data
• E) This is incorrect; they should be declared as public

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Definitions:

Deferral Method

An accounting practice where revenue or expenses are recognized at a date later than when they were initially incurred, often applied to revenue received in advance or prepayments of expenses.

Pledge

A commitment or security for the payment of a debt, performance of an action, or purchase of a good.

Estate

The total value of all the assets owned by an individual at the time of their death, including property, cash, and investments, minus any liabilities.

Interest Income

Income earned from lending funds or depositing money in interest-bearing accounts.