MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

DATA STRUCTURES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Every object is an ____ of a class.
A
Instance
B
Methods
C
Variables
D
none of the choices
Explanation: 

Detailed explanation-1: -An instance of a class is an object. It is also known as a class object or class instance. As such, instantiation may be referred to as construction. Whenever values vary from one object to another, they are called instance variables.

Detailed explanation-2: -Everything in Python is an object such as integers, lists, dictionaries, functions and so on. Every object has a type and the object types are created using classes. Instance is an object that belongs to a class. For instance, list is a class in Python.

Detailed explanation-3: -A class can create objects of itself with different characteristics and common behaviour. So, we can say that an Object represents a specific state of the class. For these reasons, an Object is called an Instance of a Class.

Detailed explanation-4: -Object instance is a specific occurrence of an object. For example, a specific mail message document is an instance.

Detailed explanation-5: -Objects are also called instances, and they can be stored in either a named variable or in an array or collection. Client code is the code that uses these variables to call the methods and access the public properties of the object.

There is 1 question to complete.