OOP - Inheritance & Polymorphism

OOP - Inheritance & Polymorphism

University

20 Qs

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OOP - Inheritance & Polymorphism

OOP - Inheritance & Polymorphism

Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

wan razali

Used 80+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is OOP?

Object Oriented Procedure

Object Orientation Programming

Object Oriented Programming

Oriented Object Programming

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Why OOP is important?

To create modular software

To reduce development time as it can be reused easily

To create faster application

To minimize bugs as easier to create unit test to a small or atomic methods

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What are the main features of OOP?

1) Inheritance

2) Encapsulation

3) Data Abstraction

4) Polymorphism

1) Inheritance

2) Encapsulation

3) Interface

4) Polymorphism

1) Inheritance

2) Class & Objects

3) Data Abstraction

4) Polymorphism

1) Inheritance

2) Encapsulation

3) Design pattern

4) Polymorphism

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What are class & object?

1) class - where keyword 'class' is used to define an object

2) object - is when class is used in the program

1) class - a user defined data type with its data members and functions

2) object - an instance of a class where memory is allocated

1) class - an instance of object where memory is allocated

2) object - a user defined data type with its data members and functions

1) class & object can be used interchangeably. It is same thing where a user defined data type with its data members and functions

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is inheritance?

Hiding the internal details or mechanics of how an object does something for security reasons.

A contract to follow without going into implementation

It is a mechanism where you can to derive a class from another class for a hierarchy of classes that share a set of attributes and methods.

It is an instance of a class where a class can have multiple instances with different attributes values

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Polymorphism?

Association is a relationship between two objects

The composing object holds an external link to the composing classes, and therefore composition is loosely bound.

The subclass did not inherit a private method’s properties, and therefore it cannot be overridden.

A class that can take on multiple forms.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are type of inheritance?

Single Inheritance, Multiple Inheritance

Hierarchical Inheritance, Single Inheritance, Multiple Inheritance

Hybrid Inheritance, Single Inheritance

Hierarchical Inheritance, Hybrid Inheritance, Single Inheritance, Multiple Inheritance, Multilevel Inheritance

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