Question

In unit 5 we introduce some of the most important concepts in object oriented programming including class, object, method, attributes, and instantiation. Discuss each of these concepts and how they relate to each other and provide a practical example drawn from your own personal experience.

Answer 1

Class:

It is a template definition of variables, methods inside an object.

Object:

It is a instance of a class. it has real values for the variables and methods.

Methods:

This are also called a functions. it is a set of repeated actions that will be performed whenever a method or function is called.

Attributes:

Variables are also known as attributes or fields or properties of the object and the class.

Instantiation:

Instantiation is the realization of the predefined object.

Instance of an class is created with specific name and used inside the program this process is called instantiation.

Examples:

// Below is an example of a class

Class Dog

{

// Attributes of the class

String name;

string color;

//Method or function

void bark()

{

}

void sleeping()

{

}

}

To get use of the class an instantiation of the class is required it is done by creating an object of the class

Dog dg=new Dog();

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