- It is a storage place which has some memory allocated to it.
- It used to store some form of data.
- It requires different amounts of memory.
- It consists of alphabets (both upper and lower case),
- It consists of numbers and the underscore ‘_’ character
NOTE: A variable cannot start with a number
Syntax of Variable Declaration in C:
For Single Variable
For multiple variables
type variable1_name, variable2_name, variable3_name;