Object-oriented programming is one of most important part of interviews.This post covers almost all the basic definitions that are asked in interviews.All the key terms with their definitions are as follows- Object-Oriented Programming: OOP is a programming technique for developing software solutions wherein the real world is represented in terms of objects. It is a real-world entity, in which data and function are hidden from outside the world the only object of the class can access the data and functionality of the class. e.g: If the animal is the class then the dog is the object if a human is a class then man is the object. A dog has legs and eyes, then eyes are the variable in the technical concept, this is the property and the dog may run or may walk, these are methods, and the same concept we used in OOPS concept. Advantage of object-oriented programming: Faster development: Reuse enables faster development. Improved...