OBJECT ORIENTED PROGRAMMING

Question 1

Define the 4 main concepts of OPP.

Answer 1

Abstraction: Providing only essential information about data while hiding it’s background : implementation or details

Polymorphism: It is the abiliy for a message to be displayed in more than one form

Inheritacnce: It is when a class derives properties and methods from another class

Encapsulation: It is wrapping up data in a single unit

Question 2

What is data hiding and modularity?

Answer 2

data hiding: it is restricting access to data and implementation details

modularity: It is an organizational software design principle where a system is divided into independent, seprerate, and cohesive components

Question 3

what are the types of inheritance?

Answer 3

single, multiple, hierachical and multilevel inheritance

Question 4

What is a method?

Answer 4

It is a function associated with a class

Question 5

Why is data hiding important?

Answer 5

It protects sensitive data from being accessed or modified

Question 7

What is a constructor and why is it important?

Answer 7

It is a special method within a class that is called when an object of that class is created.

Advatages:
* To initialiaze values fot the data members of an object
* To perform neccessar setup task for an object