Variables And Constants In C || Part 1 ||

What are variables and constants ?

Variable in C : 

variable in C programming refers to a value whose value is always changing during the execution of a program . Variable is simply a value and that value changes according to condition.

Example: A name can be used to declare the variable.

Note: It Shouldn’t contain any number and special character.

Constants: 

Constants in C are the values which remains same even after the execution of the program. The value doesn’t changes after the execution.

Example: All numbers including string constants.

Declaring Variables And Constants:

Declaring a variable:

Data type integer name;

Example:

            int a;

            float b;

Declaring a constant:

Data type variable name=”Constant”;

In declaring a constant we must provide a variable to store the constant value.

Example:

              int a=10;

              float a=10.10;

In this post you should have learnt 2 things:

*Variables and constants

*how to declare them(only examles)

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