OOP classes

Question 1

Define encapsulation

Answer 1

All of the object’s attributes are contained and hidden in the object by giving them the private access modifier. They are accessed through public getter and setter methods.

Question 2

Define instantiation

Answer 2

The process of creating an instance of a class.

Question 3

Define a class

Answer 3

A blueprint for creating an object.

Question 4

Define an access modifier

Answer 4

For example public and private which can be applied to attributes and methods in the class. Private means the attribute or method can not be accessed by code in another class while public means it can.

Question 5

Define an attribute.

Answer 5

A specific piece of data representing a particular characteristic of an object.

Question 6

Define a constructor.

Answer 6

A method that is called when creating an instance (object) of a class.

Question 7

Define an object.

Answer 7

An instance of a class.

Question 8

Define methods.

Answer 8

For example getters and setters and other subroutines that define the behaviour of the object.