C# Class

Table of contents

1. Visual Studio Code installing and configuring the C# extension
2. Steps to create the solution
3. C# Topics
4. Git Commands
5. vi Text Editor Commands

Visual Studio Code installing and configuring the C# extension

• Installing .NET Core SDK

  • https://dotnet.microsoft.com/download/thank-you/dotnet-sdk-2.2.300-windows-x64-installer

• Downloading the Visual Studio Code

  • https://code.visualstudio.com/Download

• Install the C# extension: C# for Visual Studio Code (powered by OmniSharp)

• Install the extension: vscode-nuget-package-manager (NuGet Package Manager powered by jmrog)

• Install the extension: C# XML Documentation Comments (powered by Keisuke Kato)

• Install the extension: C# Extensions (powered by jchannon)

• Install the Git: https://git-scm.com/download/win

• Shortcuts

  • Ctrl+Shift+D: Debug
  • Ctrl+Shift+F: Code indentation
  • Ctrl+Shift+P: Open the show all commands, it is usefull to install nuget packages
  • ///: Comments
  • Keyboard shortcuts for windows
    • https://code.visualstudio.com/shortcuts/keyboard-shortcuts-windows.pdf

Steps to create the solution

• Create the folder CSharpClass
• Open the folder local
• Run the "dotnet new sln" command
  • This command creates the solution file
• Create the project folder ClassNumber01_Types
• Open the project folder
• Run the "dotnet new console" command
  • This command creates the console application
• Return to the CSharpClass folder
• Run the "dotnet sln .\CSharpClass.sln add .\ClassNumber01_Types\ClassNumber01_Types.csproj" command
  • This command attach the project to the solution
• Adding a project reference

  • https://docs.microsoft.com/pt-br/dotnet/core/tools/dotnet-add-reference

  • Examples:

    • C:\Repositories\GitHub\c-sharp-class\src\CSharpClass\ClassNumber06_OOP> dotnet add reference ..\ClassNumber05_OOP\ClassNumber05_OOP.csproj

    or

    • C:\Repositories\GitHub\c-sharp-class\src\CSharpClass> dotnet add .\ClassNumber06_OOP\ClassNumber06_OOP.csproj reference .\ClassNumber05_OOP\ClassNumber05_OOP.csproj

C# Topics

• Compiled and interpreted languages and Dynamic Link Libraries
• Console application
  • Program class, Main method and args
    • Namespace, class and method scope
    • using namespaces
    • using #region and #endregion
  • Console.ReadLine
  • Console.WriteLine
• Types
  • int or Int32
  • string or String
  • long or Int64
  • boolean
  • decimal or Decimal
  • double or Double
  • byte
  • char or Char
  • Guid
  • Casting
    • Explicit and implicit
  • Converters
    • Parse methods
    • Converter class
  • Arrays
• String
  • string format
  • StringBuilder
• Keywords
  • checked (curiosity)
  • var
  • const
  • readonly
• Managing Program Flow
  • If, else if and else
  • Ternary operator
  • Switch
  • Loops
    • for
    • while
    • do while
    • foreach
    • keywords
      • break
      • continue
      • goto
• Object Oriented Programming
  • Constructor
  • Properties
  • Destructor
  • Inheritance
  • Overload
  • Override and virtual
  • Modifiers
    • public
    • private
    • protected
    • abstract
    • internal
    • static
    • partial
• Interfaces
  • IComparable and IComparer
  • IEquatable
    • GetHashCode method
    • Equals method
  • IEqualityComparer
  • IDisposable
    • using keyword
    • Garbage Collector
• Collections
  • List
  • Dictionary
  • ArrayList
  • HashSet
  • HashTable
  • Stack
  • Queue
  • SortedList
• Enums
• Serialization and Deserialization
  • XML
  • JSON
• Generics
• Exceptions
  • try
  • catch
  • finally
• ADO
• ORM
  • EntityFramework
    • Code First
    • Migration
    • Attributes
• Ref and out parameters (next)
• Linq
  • join
  • order by ascending and descending
  • group by
  • let keyword
  • Anonymous
  • Parallel Linq
    • ForAll method
  • Linq to Xml
• Lambda
  • GroupBy
  • Sum
  • Average
  • Max and Min
  • Join
  • Where
  • Skip
  • Take
  • Intersect
  • Except
  • DefaultIfEmpty
    • FirstOrDefault
    • SingleOrDefault
  • ForEach method
  • OrderBy And OrderByDescending
• IO
  • StreamReader
  • StreamWriter
  • StringReader
  • StringWriter
  • Path
  • File
  • DirectoryInfo
  • FileInfo
• Extension methods
• Actions and functions
• Multithreading
  • Task
  • Async methods
• Reflection

Git Commands

• git init: initialize the local git repository
• git config --list: list the configuration
• git config user.name "My User Name": change the local user name
• git config user.email myemail@mail.com: change the local e-mail
• git add <file or folder>: stage a file
• git add .: stage all the files
• git status: list the staged and not staged files
• git rm --cache <file>: remove the file from the stage
• git log: show the commits
• git log --oneline: show the commits in one line
• git commit -m "Your commit message": create a commit
• git commit -m "Your commit message" --amend: update the last commit message
• git branch -a: list all branches
• git branch <branch name>: create branch
• git checkout <branch name>: switch branch
• git checkout -b <branch name>: create and switch branch
• git merge <branch name>: merge branch
• git remote add origin <repository url>: configure the repository
• git push -u origin <branch name>: send the changes to the remote repository

vi Text Editor Commands

• i: insert the text
• esc: to exit from the text
• wq: to write the file and exit from the vi