C# Variables

Syntax

<data_type> <variable_name> = <value>;

Example

int age = 32;
string name = "John Doe";
float salary = 55000.00f;

Output

age: 32
name: John Doe
salary: 55000.00

Explanation

Variables are used to store data in a program. In C#, variables can be of different types, such as int, float, string, etc. The type of a variable defines the kind of data it can store.

To declare a variable in C#, you need to specify its data type followed by its name and an optional value. The value can be assigned to the variable using the assignment operator (=).

For example, int age = 32 declares an integer variable named age and assigns it the value of 32. Similarly, string name = "John Doe" declares a string variable named name and assigns it the value of "John Doe".

Use

Variables are used to store data that can be used in a program. They can be used as inputs, outputs, or intermediate values in computations. The values stored in variables can also be changed during the execution of a program.

In C#, variables are used extensively in various constructs such as loops, conditionals, and functions. They are an essential part of a C# program.

Important Points

• Variables are used to store data in a program.
• C# variables are of different types such as int, float, string, etc.
• The data type of a variable defines the kind of data it can store.
• Variables can be assigned an initial value using the assignment operator (=).
• The value of a variable can be changed during the execution of a program.

Summary

In C#, variables are used to store data in a program. They can be of different types, such as int, float, string, etc. The data type of a variable defines the kind of data it can store. Variables can be assigned an initial value, and their value can be changed during the execution of a program. Variables are an essential part of a C# program as they are used extensively in various constructs such as loops, conditionals, and functions.