Full-Stack .NET Developer Journey Track - Online Learning with Certificate

Full-Stack .NET Developer Journey

Intermediate

4.6

128 reviews

169 Learners

Updated 12/2025

Learn how to create your own products and applications using one of the most popular and widely used programming languages, C#. In combination with th…

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In this section we will get an introduction to C#. Moreover, we will also learn some basic elements of the C# language.

Why C#?

C# Syntax

Displaying Output

Challenge: Console Output

Basic Operators & Expressions

Challenge: Operators

In any programming language we have to deal with different types of data. In this section we will learn about that.

Integer Data Types

Challenge: Order Information

Floating-Point and Double

Basic String Formatting

Challenge: String Formatting

Declaring Constants

Basic Type Casting

Challenge: Type Casting

Basic Type Conversion

Challenge: Basic Type Conversion

In this section we will learn about features of C# that help us control the flow of the program such as executing pieces of code based on conditions.

Challenge: if Condition

else Keyword

Challenge: else Keyword

if-else Chain

Challenge: if, else-if, else

switch Statement

Challenge: Switch

In this section we will learn about how to deal with repetitive tasks in programming.

Challenge: do-while Loop

break Statement

continue Statement

Challenge: break and continue

Arrays are an important part of any programming language as they let us group together and manipulate a large amount of similar data. In this section we will learn about Arrays and how to use them for practical applications.

What are Arrays?

Indexing

Multi-Dimensional Arrays

Challenge: Multi-Dimensional Arrays

Looping through Arrays

Challenge: Array Loops

In this section we will learn about one of of the most widely used and essential features of C# called Methods. We will also explore its uses through creative practice tasks.

What are Methods?

Creating and Calling Methods

Challenge: Methods Creation

Method Parameters

Challenge: Method with Parameters

Method Return Values

Challenge: Return Values

Local & Global Scopes

Challenge: Scopes

What's Next?

This section introduces essential data structures, including Lists and Dictionaries, as well as techniques for reading from and writing to files. It also covers fundamental error-handling practices to manage unexpected issues that may arise during program execution.

What are Lists?

Challenge: List Declaration

List Methods

What Are Dictionaries?

Challenge: Dictionaries

Reading Files Using StreamReader

Reading Files Using File Methods

Writing Files

Error Handling

Challenge: Error Handling

Structured data can be represented in more advanced ways using Structs and Enumerators. The material introduces their purpose, demonstrates how to apply them effectively, and illustrates their use through practical examples.

What are Structs?

Defining & Using a Structure

Challenge: Structs

Structs with Other Data Structures

Struct Methods

Correctly Accessing Fields in Struct Methods

Challenge: Methods

Struct Constructors

Challenge: Constructors

Enumerators

Challenge: Enumerator

Object-Oriented Programming (OOP) introduces a way of structuring software around objects that combine data and behavior. The material explains the core principles of OOP, demonstrates how they can be applied to program design, and provides practical exercises to reinforce understanding through hands-on problem solving.

What is Object-Oriented Programming?

Defining Classes

Challenge: Creating Classes

Class Objects

Class Objects vs Struct Objects

Challenge: Constructors

The material expands on core Object-Oriented Programming (OOP) by introducing advanced concepts that strengthen both design and implementation skills. Topics include managing object lifecycles with destructors, refining class design through access modifiers, extending functionality using derived classes, and applying method overloading for greater flexibility. Together, these concepts provide the foundation for building robust, maintainable, and scalable object-oriented systems.

Derived Classes

Challenge: Derived Classes

Common Access Modifiers

Challenge: Modifiers Practice

The `static` Keyword

Challenge: `static` Keyword

Method Overloading

Challenge: Method Overloading

This chapter provides an in-depth exploration of the fundamental principles of Object-Oriented Programming (OOP). The material emphasizes practical applications and hands-on examples to reinforce understanding. Key concepts introduced earlier are revisited in greater detail and combined to build a more comprehensive perspective on object-oriented design.

What are the Principles of OOP?

Inheritance

Challenge: Inheritance

Polymorphism

Challenge: Polymorphism

Encapsulation

Challenge: Encapsulation

Abstraction

Abstraction Practice

What's Next?

In this section, we will learn how to use the SQL SELECT statement to get a single table column, multiple table columns, and all table columns. We will also find out how to return unique values.

Retrieving Individual Columns

Retrieving Multiple Columns

Retrieving All Columns

Retrieving Distinct Rows

Limiting Results

Challenge: Find the Population of the Countries

Challenge: Find All Countries

Challenge: Find All Countries With Their IDs

Challenge: Find Country Capitals

Challenge: Find the Regions in Which All Countries Are Located

In this section, we’ll explore how to organize and prioritize the data returned by a query using the ORDER BY clause. Placed at the end of a SELECT statement, this clause lets you sort your results by one or multiple columns, either in ascending or descending order, enabling more meaningful and easily interpretable data output.

Sorting Data

Challenge: Population Sort

Sorting by Multiple Columns

Challenge: Dual-Sort Query

Specifying Sort Direction

Challenge: Sort the Countries by Region and Capital

Challenge: Sort Capitals in Descending Order

Challenge: Sort Countries in Ascending Order

Challenge: Find Countries, Their IDs, and Their Populations

Challenge: Find Countries, IDs, Populations, Regions, and Sort Them

Challenge: Find All Continents and Sort Them in Ascending Order

In this section, we will learn how to filter returned data using the SELECT statement's WHERE clause. We will learn how to test for equality, inequality, more and less significant than value ranges, and NULL values.

Using the WHERE Clause

Challenge: North America Population Sort

The WHERE Clause Operators

Challenge: Population Threshold Query

Checking for a Range of Values

Checking for NO Value

In this section, we’ll explore how to refine your search conditions by combining WHERE clauses with the AND and OR operators. We’ll also cover how the NOT operator can be used to exclude certain results.

Using the AND Operator

Challenge: Europe Region Sort

Using the OR operator

Challenge: America Regions Filter

Using the NOT Operator

Challenge: Non-Europe Capitals Sort

In this section, we will learn what the SQL aggregate functions are and how to use them to summarize table data.

The AVG() Function

Challenge: Surface Area Selection

The COUNT() Function

Challenge: Continental Count

The MAX() Function

The MIN() Function

Challenge: Large Surface Area Average

The SUM() Function

In this section, you will learn how to group and manage data effectively. We will introduce the GROUP BY operator for grouping data. Additionally, you will learn how to filter grouped data using the HAVING operator.

GROUP BY Clause

Order of Statements

Challenge: Total Ride Time for Each Subway Line

Challenge: Average Student's Grade

Searching for the Top Math Students Challenge

HAVING Clause

Several Aggregate Functions in the Query

More Complex Filtering

You will learn about nested subqueries, how to create them, and how to use them effectively.

Nested Queries

Challenge: Non-tech Department Employees

Using Inner Subqueries in the FROM Section

Challenge: Employees With More Than Average Salary

UNION Clause

Challenge: Combining Table Results

Here, you will learn how to combine multiple tables, allowing you to work with a unified table and simplify query creation.

JOIN 2 Tables

Challenge: Get Category By Product Price

Challenge: Get Minimum Price By Category

Challenge: Get Product Amount By Category

LEFT, RIGHT and INNER JOINs

Challenge: Table Join

Challenge: FULL JOIN Usage

Learn the fundamentals of Data Definition Language (DDL) and Data Manipulation Language (DML) in SQL, including how to create, modify, and delete database objects, as well as how to insert, update, and delete data within tables.

CREATE and Constraints

ALTER and INSERT Operations

DROP and TRUNCATE

UPDATE and DELETE

In this section we will learn about what is .NET, how to setup the development environment and how to start making some console apps. Apart from that we will also learn how to take input from the user in the console for making interactive applications.

What is the .NET Platform exactly?

Creating a Console Application

Taking input from the User

Task - Building a Simple Calculator

Dealing with Exceptions caused by User Input

Task - Improving the Calculator

Reading Files

Writing Files

Task - File Based Calculator

In this section, we will be learning how to perform multiple tasks at once to improve the performance and responsiveness of applications. We will also briefly learn what Web Services and APIs are. This will give us an introduction to how the internet and websites work. We will also learn how to use APIs.

What is Asynchronous Programming?

Implementing an Asynchronous Method

Task - Asynchronously Reading Files

Introduction to APIs

Making a GET Request

Task - Using an API

Handling Exceptions caused by HTTP Request

Task - Exception Handling for API Response

In this section we will learn what are databases, specifically what are SQL databases and how to create them. We will study their structure and will learn to perform some basic operations on the databases. This chapter will serve as an introduction to ADO.NET which is a .NET module used for interacting with databases.

What is a Database?

Structure of a Relational Database

Setting Up A MySQL Server

Connecting to the MySQL Server

Task - Writing Connection Strings

Executing Commands

Task - Executing MySQL Commands

MySqlCommand Methods

Task - Connecting to a MySQL Database and Executing Commands

In this section, we'll cover the fundamental CRUD operations (Create, Read, Update, Delete) using SQL. We'll explore SQL syntax at a basic level and recap how to implement each SQL statement in C# code. While some parts may serve as a review from the previous section, this will provide a solid understanding of essential database concepts, enabling you to understand both the SQL and C# code and write it independently.

Introduction to CRUD Operations

Installing & Using MySQL Workbench

In this chapter we will learn about additional functions or methods for making database management more efficient. For-example executing multiple SQL commands at once using Stored Procedures, and retrieving data in bulk from the SQL database using DataSet.

Stored Procedures

Task - Executing Stored Procedures

DataReader vs DataSet

DataAdapter & DataSet

Task - Reading Tables using MySqlDataAdapter

What's Next?

Get an introduction to the web and HTML, including the significance of tags, elements, and attributes. Learn about the basic structure of an HTML document and the brief history of the web.

Course Introduction

Introduction to the Web

The History and Evolution of the Web

Why HTML Matters in Web Development

Basic Structure of an HTML Document

Understanding Tags, Elements, and Attributes

Master the essentials of HTML markup, focusing on special text formatting and lists, understanding their significance in structuring content within an HTML document. Dive into the intricacies of HTML document structure while refining text markup techniques.

HTML Document Structure Explained

Challenge: Structure an HTML Document

Using Headings and Paragraphs in HTML

Challenge: Master Text Markup

Enhancing Text and Interactivity in HTML

Working with Links

Using Buttons

Challenge: Apply Special Text Markup

Creating and Using Lists in HTML

Challenge: Structure Content with Lists

Unlock the power of visual and auditory content in web development as you learn to seamlessly integrate images, video, and audio elements into HTML documents. Explore the nuances of incorporating various media formats.

Working with Images in HTML

Challenge: Insert Images

Embedding Audio Files in HTML

Challenge: Use Audio Elements

Integrating Video into Web Pages

Challenge: Use Video Elements

Navigate the intricacies of data presentation and user interaction with comprehensive coverage of tables and forms in HTML, encompassing table structures, form creation, and input elements. Gain proficiency in implementing form input elements and leveraging attributes for enhanced functionality.

Creating and Structuring HTML Tables

Challenge: Work with Tables

Building HTML Forms

Challenge: Build a Web Form

Using Form Inputs

Labeling Form Inputs

Challenge: Apply Form Inputs and Labels

HTML Input Attributes for Enhanced Functionality

Elevate your HTML skills to the next level by delving into semantic HTML elements, empowering you to create well-structured and accessible web content. Embark on building your first website, applying newfound knowledge to bring your ideas to life.

Understanding and Using Semantic HTML

Exploring Semantic Elements in HTML

Challenge: Implement Semantic Elements

Building a Complete Website with HTML

Course Conclusion and Final Thoughts

Learn what CSS is, how to connect it with HTML, and how to style HTML elements using selectors. Explore foundational concepts like text colors, user action pseudo-classes, and variables in CSS.

What Is CSS and Why Is It Important?

Linking CSS to an HTML Document

Mastering CSS Selectors for Styling HTML Elements

Challenge: Apply Your First CSS Styles

Challenge: Style with Class Selectors

Enhancing Styles with User Action Pseudo-Classes

Challenge: Apply User Action Pseudo-Classes

Changing Text Colors in CSS

Optimizing Workflow for Efficient CSS Coding

Challenge: Use Variables for Better CSS Management

Discover how to style and format text on your web pages. Learn to apply custom fonts and explore various font properties to enhance the appearance of text.

Mastering Text Styling in CSS

Text Formatting Techniques for Readability

Challenge: Format Text with CSS

Adding Custom Fonts to a Web Page

Understanding and Using Font Properties

Challenge: Explore Font Properties

Learn the fundamentals of the box model, which defines the layout and spacing of elements on a web page. Explore concepts such as box sizing, adding space to elements, working with block-level and inline elements, and utilizing structural and functional pseudo-classes for advanced styling.

What Is the CSS Box Model?

Understanding Box Sizing in CSS

Adding Space with Margins and Padding

Challenge: Apply Box Sizing to Elements

Using Structural and Functional Pseudo-Classes

Challenge: Practice Structural Pseudo-Classes

Understanding Block, Inline, and Inline-Block Elements

Working with Block-Level Elements

Working with Inline Elements

Challenge: Predict Page Layout with Different Element Types

Discover Flexbox, a powerful CSS layout method for arranging elements in rows and columns. Learn how to control the direction, alignment, and spacing of elements horizontally and vertically, as well as customize individual flex items for precise layouts.

What Is Flexbox and Why Use It?

Setting the Flex Direction for Layouts

Justifying Content Horizontally in Flexbox

Aligning Items Vertically in Flexbox

Understanding Flex Item Properties

Challenge: Apply Flexbox Concepts

Challenge: Build a Layout with Flexbox

Learn how to enhance the visual appeal of your web pages with CSS. Explore techniques for applying background colors and images, styling images, using decorative pseudo-elements, and adding shadows to create stunning designs.

Using Background Colors for Design

Applying Background Images to Elements

Working with Images in CSS

Creating Effects with Decorative Pseudo-Elements

Adding Shadows for Depth and Style

Challenge: Implement Decorative Effects in CSS

Research what learners can expect from this advanced HTML and CSS styling course. What do you need to know before starting the course? What topics will be covered in it?

Course Overview and Learning Outcomes

Topics Covered in This Course

Success Tips for Learning Advanced CSS

Position and manage elements on the web pages. Learn about the different positioning properties, discover how to use the stacking order to control the visibility of elements that overlap each other, and finally, handle content overflow.

Understanding CSS Positioning

Relative Positioning Explained

Challenge: Apply Relative Positioning

Absolute Positioning in CSS

Challenge: Implement Absolute Positioning

Fixed Positioning for Sticky UI Elements

Challenge: Work with Fixed Positioning

Sticky Positioning for Dynamic Layouts

Challenge: Master Sticky Positioning

Managing the Stacking Order of Elements

Challenge: Control Z-Index and Overlapping Element

Handling Content Overflow in CSS

Research the power of transitions and learn how to improve the user experience. Discover how to liven properties smoothly and gradually, creating seamless state transitions.

Introduction to CSS Transitions

Choosing the Right Transition Properties

Setting Transition Duration for Effects

Customizing Transitions with Timing Functions

Adding Delay to CSS Transitions

Combining Transitions

Challenge: Add a Smooth Transition Effect

Learn about the animation property and how it can be used to create dynamic and engaging designs. Discover how to create complex animations using keyframes and how to control the animation.

What Are CSS Animations?

Defining Animation Duration and Timing

Controlling Animation Iteration and Direction

Managing Animation States in CSS

Composing Multiple Animations

Challenge: Implement CSS Animation

Explore the transformation property, which allows modifying the appearance and position of elements on a webpage. Learn how to scale, rotate, skew, and translate elements in two and three dimensions. Combine multiple transformations to create more complex effects.

Introduction to CSS Transformations

Scaling Elements

Rotating Elements in 2D and 3D

Challenge: Apply Scaling & Rotation

Translating Elements for Dynamic Effects

Skewing Elements for Unique Designs

Using Perspective for Depth Effects

Challenge: Combine Translation and Skewing

The principles and techniques used in adaptive/responsive design aim to make websites and applications accessible and visually appealing across different devices, screen sizes, and orientations.

What Is Responsive Web Design?

Using @media Queries for Adaptive Styles

Building Flexible Layouts for Different Screen Sizes

Inspecting Web Pages

Challenge: Inspect Adaptive Layout

Learn about preprocessors in CSS and how they can help to write more efficient and maintainable code. Understand how to use preprocessors to simplify the workflow and generate cleaner CSS code.

Introduction to CSS Preprocessors

Understanding Sass Syntax for Better CSS

Using Sass Variables for Reusable Styles

Performing Calculations with Sass Numeric Operators

Nesting Styles for Cleaner Code

Extending Styles with the @extend Directive

Organizing Sass Files for Scalable Projects

Get a clear roadmap of what's to come, understand the prerequisites, and learn valuable tips to set you up for success as you delve into objects, arrays, and essential programming concepts.

Introduction to JavaScript Data Structures

Prerequisites for Learning JavaScript Data Structures

What You'll Learn in This Course

Tips for Success

Explore the core concepts of JavaScript objects. This section covers the fundamentals of object creation, property management, and method implementation.

Understanding Objects in JavaScript

Creating Objects in JavaScript

Working with Nested Object Properties

Challenge: Create and Structure an Object

Accessing Object Properties in JavaScript

Challenge: Retrieve Object Property Values

Managing Object Properties

Challenge: Modify and Extend an Object

Defining Object Methods

Using Properties within Methods

Challenge: Work with Object Methods

Fundamentals of JavaScript Objects Sum-Up

Dive into advanced techniques for working with JavaScript objects. This section delves into various strategies to efficiently manipulate and interact with objects.

Iterating Over Object Properties with the for...in Loop

Challenge: Explore Object Properties with Iteration

Using hasOwnProperty() to Check Object Properties

Challenge: Object Property Iteration with hasOwnProperty()

Cloning and Merging Objects with the Spread Operator

Challenge: Combine Objects with the Spread Operator

Destructuring Objects for Cleaner Code

Challenge: Extract Data with Object Destructuring

Advanced Object Manipulation Sum-Up

Embark on a journey into the JavaScript arrays. This section provides a strong foundation for creating arrays, managing elements, and executing basic array operations.

Understanding JavaScript Arrays

Challenge: Access Array Elements

Modifying Arrays and Accessing Elements

Challenge: Modify Array Elements

Iterating Over Arrays with the for Loop

Challenge: Loop Through Arrays with for

Using the for...of Loop for Array Iteration

Challenge: Efficient Array Iteration with for...of

Mastering JavaScript Arrays Sum-Up

Master the advanced array manipulation skills, covering various techniques and methods for handling arrays effectively in multiple scenarios.

Transforming Arrays with the map() Method

Challenge: Modify Array Elements Using map()

Filtering Arrays with the filter() Method

Challenge: Select Specific Data Using filter()

Finding Elements in an Array with the find() Method

Challenge: Search for Items Using find()

Sorting Arrays with the sort() Method

Challenge: Sort and Extract Data with sort()

Advanced Array Methods and Transformations Sum-Up

Course Summary

Gain an understanding of the core principles of React. You'll learn about JSX (JavaScript XML), building reusable UI components, and rendering elements. Additionally, you'll explore the importance of data collection and conditional rendering in React applications. By the end of this section, you'll have a solid foundation of React's essential concepts, setting you up for success in the more advanced topics covered in the following sections.

What Is React and Why Use It?

Comparing SPAs and MPAs in Web Development

How React Works with the Virtual DOM

Introducing JSX for Writing HTML in JavaScript

Building Complex UI with JSX

Rendering Elements in React

Challenge: Render an Element in React

Understanding React Components

Passing Data with Props in React

Challenge: Create Functional Components

Conditional Rendering in React

Challenge: Implement Conditional Rendering – Chat Notification

Challenge: Implement Conditional Rendering – Bank Alert

Rendering Collections of Data in React

Challenge: Display Data Collections in React

React Fundamentals Wrap-Up

Explore the various methods of adding styles to the React applications. You will learn how to apply styles to individual components, use dynamic styles, and maintain a scalable and maintainable styling approach in your projects.

Introduction to Styling in React

Using Inline Styles in React

Applying Inline Styles in Practice

Challenge: Use Inline Styles in a React Component

Styling React Components with External CSS

Applying External CSS in Practice

Challenge: Apply External CSS to a React App

Using CSS Modules for Scoped Styling in React

Organizing File and Folder Structures for Styles

Challenge: Use CSS Modules in React

Styling Techniques in React Wrap-Up

Powerful features in modern React development. Hooks revolutionize how we write functional components, providing a concise and intuitive way to manage state and perform side effects. Conversely, Context allows us to share data through the component tree without prop drilling. Combining hooks and Context enables efficient state management and simplified data sharing in React applications.

Introduction to React Hooks and Context

Managing State with the useState Hook

Challenge: Toggle Visibility with useState

Working with References Using the useRef Hook

Challenge: Build a Controlled Form Component

Handling Side Effects with the useEffect Hook

Challenge: Fetch and Display Data with useEffect

Optimizing Performance with the useMemo Hook

Challenge: Implement a Car List Filter with useMemo

Sharing State Across Components with Context

Using Context in a Real-World Scenario

Challenge: Build a World of Astronomy App with Context

React Hooks and Context Wrap-Up

Step-by-step guide on how to start a real-world React project. From setting up your development environment to understanding project organization and critical tools, you'll gain the knowledge and confidence to embark on your React journey.

Setting Up Your React Development Environment

Choosing a Code Editor for React Development

Organizing the Project Folder Structure

Working with the Terminal in React Development

Starting and Running a React Project with Vite

React Project Setup Wrap-Up

Learn the theoretical basics of concepts such as URL, domain, protocol, query parameters, and more. Understand the significance of routing in web applications and why we need the React Router library.

Introduction to Routing in Web Apps

What Is React Router?

Understanding URL Structure

Exploring URLs in Practice

Quiz: Core Concepts of React Router and URLs

Discover how to create an entire React application from scratch, with the ability to display content that adapts based on the URL using React Router functionality.

Overview of the Multi-Page Website

Installing React Router

Enabling Routing in a React App

Defining Routes for Navigation

Recap: First Steps in React Router

Optimizing Imports with Lazy Loading

Implementing a Fallback Component

Recap: Second Steps in React Router

Creating and Managing Navigation

Exploring React Router's Complete Logic

Recap of React Router Fundamentals

Explore using query strings for sharing and managing application state via URLs, work with different data types in query parameters, and leverage React Router for navigation and effects based on URL changes.

Overview

Understanding Query Strings in URLs

Setting Up a React Component

Inspecting Recent Changes

Working with Query Parameters

Integrating useSearchParams Hook

Final App

React Router Course Summary

In this section, we will learn what MAUI is, and how to set up a .NET MAUI application. We will also look at the structure of an MAUI application, and in the end, we will learn how to add some basic elements to our UI. This section will prepare us for the rest of the course where we will be working with more practical concepts.

What is .NET MAUI?

Setting up a MAUI Project

Understanding the Structure of a MAUI Project

Understanding XAML and Adding Elements

Task - Adding Elements in a MAUI Application

In this section we will learn about delegates, events and data binding. Using this knowledge we will learn how to make interesting interactive GUI applications.

Delegates

Task - Defining Delegates

Events

Task - Binding Event Handlers to Events

Custom Events

Task - Creating a Custom Event

Data Binding

Task - Practicing Data Binding

In this section, we will learn what Threading is and how to use it to keep our applications responsive, and run smoothly while performing resource intensive tasks. We will see how to differs from other similar concepts on C# and what are good practices when implementing Threading in our application. There will also be some interesting tasks to help us in understand this concept on a deeper level.

What is Threading?

Creating and Using Threads

Task - Preventing Program Freezes Using Threading

Asynchronous Programming vs Threading

The lock Statement

In this section, we will learn how to make more robust methods, classes and other objects which can work multiple types of input data types, by first learning about Generics and how to implement generic classes, then we will move on to Reflection and how to use reflection for further improving the capabilities of our programs.

What are Generics?

Implementing Generic Methods

Task - Implementing a Generic Method

Implementing Generic Classes

Task - Implementing a Generic Class

Introduction to Reflection

Basic Reflection

Task - Reflection

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TEST TRACK 12

Full Stack Web Development

Become a React Developer

Mastering Data Visualization

SQL from Zero to Hero

С++ Essentials

Python from Zero to Hero 2024

Machine Learning Mastery

Python Beyond Intermediate

Java Essentials

Game Development with Unity

Become a Django Developer

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