In which type of class methods is it typically necessary to filter bad arguments (either directly or indirectly with the help of validators) in order to protect private data of your class

hello your question is incomplete attached below is the complete question

answer :

A set() method (non-constructor mutator). ( B )

Explanation:

The type of class methods that is necessary to filter bad arguments to protect private data of your class using validators is :

A set() method (non-constructor mutator)

what is your question exactly? when you let me know i will gladly you. : )

what class is it and how much will you pay?