Section 12 Chapter 67 - Basic Concepts of OOP

Question 1

Class

Answer 1

A template for an object that defines the attributes and methods of objects in that class

Question 2

Instantiation

Answer 2

The creation of an object of a particular class

Question 3

Object

Answer 3

An instance of a class

Question 4

Reference variable

Answer 4

A variable that holds a pointer to where a particular object is stored

Question 5

Encapsulation

Answer 5

The hiding of internal attributes and methods of an object. It also refers to the fact that an objects attributes are tied to that specific instance of the class and changing them will not affect attributes of other objects

Question 6

Inheritance

Answer 6

A class can inherit from another class. The inheriting class will then be able to use all the methods and attributes of its parent class that have an appropriate scope (private will not be inherited, but protected and public will be)

Question 7

Association

Answer 7

When two objects have a relation but there is no ownership or inheritance between them