Learn Object-Oriented Programming in C#

Course Overview

Object-oriented programming (OOP) has been around for decades. As the original object-oriented language, C# is a mainstay in the world of computer programming. All the concepts of object-oriented programming that C# developers love to have in their arsenal are explained in detail alon... See More

How You'll Learn

Hands-on coding environments

You don’t get better at swimming by watching others. Coding is no different. Practice as you learn with live code environments inside your browser.

Faster than videos

Videos are holding you back. The average video tutorial is spoken at 150 words per minute, while you can read at 250. That‘s why our courses are text-based.

No set-up required

Start learning immediately instead of fiddling with SDKs and IDEs. It‘s all on the cloud.

Progress you can show

Built in assessments let you test your skills. Completion certificates let you show them off.

Hands-on coding environments

You don’t get better at swimming by watching others. Coding is no different. Practice as you learn with live code environments inside your browser.

Faster than videos

Videos are holding you back. The average video tutorial is spoken at 150 words per minute, while you can read at 250. That‘s why our courses are text-based.

No set-up required

Start learning immediately instead of fiddling with SDKs and IDEs. It‘s all on the cloud.

Progress you can show

Built in assessments let you test your skills. Completion certificates let you show them off.

Course Contents

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Show All Lessons

1. Introduction to Object-Oriented Programming

A Brief Introduction

Modern Object-Oriented Languages

About the Course

2. Classes and Objects

Introduction to Objects and Classes

Declaration and Implementation

Accessing the Class Members

Access Modifiers

Fields

Methods

Static and Non-Static Methods

The 'this' Reference Variable

Getters, Setters and Properties

Constructors

Calling a Constructor from Another Constructor

Quiz

Challenge 1: Square Numbers and Return their Sum

Solution Review: Square Numbers and Return their Sum

Challenge 2: Calling a Constructor from a Constructor

Solution Review: Calling a Constructor from a Constructor

Challenge 3: Analyzing the Performance of Students

Solution Review: Calculate the Student's Total Marks

Challenge 4: Implement a Calculator Class

Solution Review: Implement a Calculator Class

3. Data Hiding

What Is Data Hiding?

Encapsulation

Understanding Encapsulation Using Examples

Quiz

Challenge 1: Implement the Rectangle Class

Solution Review: Implement the Rectangle Class

Challenge 2: Implement the Complete Student Class

Solution Review: Implement the Complete Student Class

4. Inheritance

What is Inheritance?

The Syntax and Terminologies

Base Keyword

Types of Inheritance

Advantages of Inheritance

Quiz

Challenge 1: Implement the Derived Class

Solution Review: Implement the Derived Class

Challenge 2: Implement the Parametrized Constructor

Solution Review: Implement the Parametrized Constructor

5. Polymorphism

What Is Polymorphism?

Polymorphism Using Inheritance

Method Overriding

Difference Between Overloading and Overriding

Quiz

Challenge 1: Override a Method in the Derived Class

Solution Review: Override a Method in the Derived Class

Challenge 2: Implement and Override a Method

Solution Review: Implement and Override the Method

Challenge 3: Implement a Banking Application Using Polymorphism

Solution Review: Implement Banking Application Using Polymorphism

6. Abstract Classes and Interfaces

What Is Abstraction?

Abstract Classes and Methods

Interfaces

Multiple Inheritance

Quiz

Challenge 1: Implement an Abstract Method in a Base Class

Solution Review: Implement an Abstract Method in a Base Class

Challenge 2: Implement an Interface

Solution Review: Implement an Interface

7. Composition, Aggregation and Association

A Brief Introduction

Aggregation

Composition

Quiz

Project

Conclusion