C Sharp Developer Roadmap By Scholarhat PDF

C# 8
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SHAILENDRA CHAUHAN
Microsoft MVP, Founder & CEO - ScholarHat
Level Up Your Career
DEVELOPER
ROADMAP
2024 EDITION

Anyone can learn C# language using any OS like
Windows, Mac and Linux/Unix.
Understand .NET versions including .NET Framework,
.NET Core, and .NET5 to .NET8.
Focus on .NET6 or above and C# 10 or above features.
Ideally, .NET8 and C# 12.
Install .NET8 and VS Code to get started with C#.
Understand dotnet CLI commands to create and build
C# console applications.
For rich IDE, install Visual Studio 2022.
Learn to create C# console application from Visual
Studio 2022.
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C# 8 DEVELOPER ROADMAP
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1 Prerequisites and Tools

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A programming language to build various types of
applications including Console, Web, APIs, Windows,
Games, Mobile and ML/AI.
C# Version History: Explore C# version history starting
from C# 1.0 to latest C# 12.0.
Familiarize yourself with the C# language syntax.
Learn to create, run and debug C# console application.
Learn about Variables and various type of Data Types.
Explore about Type Casting, Various Operators, and
C# Expressions.
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2 Introduction to C#

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Conditional Statements:
Understand conditional statements in controlling
program flow.
Learn about if, if-else, and switch statements.
Learn the new switch expression syntax.
Apply conditional statements to real-world scenarios.
Loops:
Understand loops for repetitive execution.
Learn about for, foreach, while, and do-while loops.
Learn how to iterate over collections.
Understand best practices for writing readable loops.
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3 C#: Conditional Statements
and Loops

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Understand arrays for storing collections of element.
Learn how to declare and initialize arrays.
Understand array indexing.
Accessing, sorting and searching arrays elements using
various algorithms.
Learn about types of Arrays in C#:
Single-Dimensional Array
Multi-Dimensional Array
Jagged Array
Explore Array class methods like Array.Copy(),
Array.Sort(), and Array.Reverse().
Understand arrays properties like Length and Rank.
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4 C#: Arrays

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Understand strings as sequences of characters.
Learn about string literals and escaping characters.
Explore common string methods: Length, Substring,
IndexOf, and Replace.
Learn about string formatting using String.Format and
string interpolation.
Learn about types of Strings in C#:
Immutable String
Mutable String
Understand how to compare strings using methods like
Equals and CompareTo.
Understand StringBuilder class for efficient string
manipulation.
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5 C#: Strings

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6 Object Oriented Programming
Grasp the fundamental principles of Object-Oriented
Programming.
Learn about the pillars of OOP: Encapsulation,
Abstraction, Inheritance, and Polymorphism.
Understand how to define class and object.
Learn to create constructors with parameters.
Understand constructor chaining for more flexibility.
Explore access modifiers to control the visibility of
class members.
Learn to implement C# method overloading for
compile-time polymorphism.
Understand to implement C# method overriding for
runtime polymorphism.

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Abstract Class:
Understand abstraction and its role in OOP.
Learn how abstract classes provide a blueprint for
derived classes.
Explore abstract methods and their use in defining
methods without implementation.
Declaring abstract properties in abstract classes.
Learn how to create concrete classes by inheriting
from abstract classes.
Interfaces:
Understand interfaces in achieving multiple inheritance.
Explore explicit and implicit interface implementations.
Learn how to combine the use of abstract classes and
interfaces in a class hierarchy.
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7 C#: Abstract Class, Interface

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Partial Class:
Understand the role of partial classes in splitting a class
definition across multiple files.
Learn how these helps in managing large codebases.
Understand scenarios where partial methods are useful.
Static Class:
Grasp the concept of static classes and their role in C#.
Learn to organize code without creating instances.
Understand how to declare and use static fields within a
static class.
Sealed Class:
Learn sealed classes to prevent further inheritance.
Understand use of ‘sealed’ to prevent method overriding.
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8 C# Classes: Partial Class,
Static Class, Sealed Class

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Properties:
Understand the role of properties in providing access to
object state.
Learn how properties are an alternative to public fields.
Understand the syntax for declaring properties in C#.
Explore the use of get and set accessors.
Creating Read-Only and Write-Only Properties.
Indexers:
Understand the role of indexers in providing array-like
access to objects.
Learn how indexers are defined using ‘this’ keyword.
Explore the syntax for declaring indexers in C#.
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9C# Properties and Indexer

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Exception Handling:
Learn try-catch blocks for handling exceptions.
Learn the purpose of the finally block.
Learn how to throw exceptions using ‘throw’ keyword.
Explore when to create custom exception classes and
how to use them.
Attributes:
Learn how attributes enhance behavior of code
elements like classes, methods, properties etc.
Explore common built-in attributes like Serializable,
Obsolete and DllImport etc.
Learn to create custom attributes and use them.
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10 C# Exception Handling
and Attributes

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11Anonymous Type, Lambda,
Delegates and Events
Anonymous Types:
Learn to create anonymous types for temporary data
structures in C# and its use cases.
Lambda Expression:
Practice expression lambda and statement lambda
syntaxes to write anonymous methods.
Practice lambda expression with LINQ for creating
concise and readable data queries.
Delegates:
Explore delegates instantiation and invoking.
Explore commonly used built-in delegate types
Events:
Understand the role of event handlers and and how
they provide a publish-subscribe mechanism.

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12 Asynchronous Programming
with async and await
Understand asynchronous programming concepts.
Learn to implement Task-based Asynchronous Pattern
(TAP) using async and await keywords.
Learn the return type of async methods (Task,
Task<T>).
Explore scenarios where each is appropriate.
Learn how to use async with lambda expressions.
Learn how to use CancellationToken to cancel
asynchronous operations.
learn how to handle exceptions in asynchronous code.
Familiarize with async streams (C# 8.0 and later).

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Learn LINQ query syntaxes: Query-style and methods
style syntax.
Learn how to use from, where, select, orderby, and
groupby clauses and methods.
Understand the role of predicate functions.
Transformations and projections using select clause.
Understand the use of multiple sorting criteria using
OrderBy.
Understand the use of equals and on keywords.
Explore aggregate methods in LINQ like Sum, Average,
Min, Max, and Count.
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13 LINQ in C#

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14 C#: Collections &
Generics
Collections:
Learn C# collection ArrayList, Hashtable, Queue,
Stack, and their use cases.
Understand the limitations of non-generic collections
(e.g., type safety, performance issues).
Generics:
Learn Generics to reduce the need for boxing/unboxing,
enhancing performance, especially with value types.
Explore generics classes like List<T>, HashSet<T>,
and Dictionary<TKey, TValue> with their use cases.
Iterate and manipulate collections using Loops.
Query and manipulate collections using LINQ.

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15 C# Latest Features
Record types for concise data modeling.
String Interpolation to format string with ease.
Nullable Reference Type to write more robust and safe
code by adding annotations to the type system.
Tuples and Deconstruction to have a convenient way
to work with sets of values.
Default Interface Method to add new methods to
interfaces without breaking existing implementations.
Top-Level statements to write simpler C# programs by
omitting the traditional Main method.
Global Using Directives to specify a set of using
directives to apply globally to all files in a project.
Collection Expressions to simplify the process of
creating and initializing collections.

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Console Calculator: A basic calculator application to
perform simple arithmetic operations like addition,
subtraction, multiplication, and division.
To-Do List App: A simple application to manage a to-
do list. Users can add tasks, view the list of tasks, mark
tasks as completed, and delete tasks.
Weather App: A console application to fetch and
displays weather data from a weather API in a text-
based presentation.
Contact Book: A console application for managing a
personal contact book. Users can add, view, edit, and
delete contact information.
CSV File Parser: A program that reads, parses, and
displays data from CSV files.
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16 Build C# Projects

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Step1 - Learn Skills: You can learn .NET skills by using
Microsoft official docs on .NET, C#, or through
Videos on YouTube or Videos based courses. For
topic revision and recalling make short notes.
Step2 - Build Experience: You can build hands-on
experience by solving math’s problems and by creating
logic building programs on start patterns, number
patterns etc. Further build C# applications like
Calculator, To-Do List App, Whether App Contact
Book, File Parser etc.
Step3 - Empower Yourself: Build your strong profile
by mentioning all the above skills with hands-on
experience on projects. Prepare yourself with interview
Q&A about C# to crack your next job interview.
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How to follow this roadmap?
At ScholarHat, we believe mastering a technology
is a three-step process as mentioned below:

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Congrats!
You are just one step away to
become C# Pro!

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