C# Variables (STEP-BY-STEP Tutorial for Beginners)
MASTER C# Variables with this STEP-BY-STEP walkthrough covering important topics with hands-on coding.
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C# Variables (Tutorial for Beginners)
The objective of this video is to familiarize you with the C# variables. How to declare and initialize C# variables, variables naming rules, definite assignment policy, implicitly typed local variables, and much more. In any programming language, a variable is one of the primary methods for moving information around.
What Is a Variable?
C# variable is something you want the computer to remember while your program is running. Computer programs need places to store and process this information while working with it. These places are called variables because the information stored there can change, or vary, during program execution. C# variables are considered the primary method for moving information around.
C# Variable in Short
🔸 According to the dictionary, a variable is anything that is not consistent.
🔸 "Variable" is the name given to a computer memory location for storing data that can be reused throughout the program-that is, it is used to store, retrieve, and modify changeable data.
🔸 A variable is always defined by a datatype, which means that it will hold the value of a specific type, such as string, int, float, and so on.
🔸 A value must be assigned to a variable before using it to avoid a compile-time error.
C# Variable Naming
You can't just choose any sequence of characters as a variable name. Instead, C# has some rules regarding variable names that must be followed:
🔸 camelCase for local variables, such as cost, orderDetail, dateOfBirth, and firstName
🔸 A meaningful or descriptive name that is neither too long nor too short to identify the information stored in a variable just by looking at it
🔸 Can contain the letters a–z and A–Z, the numbers 0–9, and the underscore (_) character-other symbols are not allowed
🔸 No spaces and cannot start with a number
🔸 Cannot use a word reserved by C# language-keywords such as namespace, class, using, and so on
You can name a variable like a keyword by adding a prefix to the name: the at symbol (@).
Example: @namespace, @class, @using, etc.
This is the beginners to advance level tutorial series designed to give your learning that extra push where you're shaky. You'll gain more confidence and retain the information longer with these step-by-step videos.
READ THE STEP-BY-STEP ARTICLE HERE:
📝 https://codebuns.com/csharp-basics/va...
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