Variables in C#

Variables stores values required by application in temporary memory locations, a variable represents a named location in memory for a piece of data. An application can access a piece of data by using the variable it has been assigned to variables store values that an application can change while it is running. Sometimes it is required to store values temporarily when we perform calculations or pass data between the user, an application, or a database.

A variable has the following six facets:

1.Name. Unique identifier that refers to the variable in code.

2. Address. Memory location of the variable.

3. Data type. Type and size of data that the variable can store.

4. Value. Value at the address of the variable.

5. Scope. Defined areas of code that can access and use the variable.