Which One Of The Following Is Known As The Key To #387
Which one of the following is known as the key to object-oriented programming?
This multiple choice question (MCQ) is related to the book/course
gs gs107 PHP: Hypertext Preprocessor.
It can also be found in
gs gs107 PHP Object Tools and Design - PHP Object and Design - Quiz No.1.
Which one of the following is known as the key to object-oriented programming?
Polymorphism
Encapsulation
Data Abstraction
Orthogonality
