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 int's, along with methods reduce (to reduce the rational to simplest form) , gcd (to find the greatest common divisor of two int's) , 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 of Rational
• C) Because they will only be called from the constructor of Rational
• D) Because they do not use any of Rational's instance data
• E) Because it is a typo and they should be declared as public

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