variables are identifiers to store the value, which can be used later for processing.
It contains the memory location of a variable that holds a value.
How to declare and initialize a variable in Julia
Julia contains variable declaration without a type
variable name is a valid identifier and not a reserved word.
variable = value
# variable declaration # assign number number = 12 # assign string name = "john" # assign float number f = -34 # operator as a variable name - = "a" # unicode variable name $ = 30 println(number) println(name) println(f) println(-) println($)
Variable names rules and notes
- Variables names start with a to z or A to Z, underscore, and special characters
- Operators and Unicode names are allowed as variable name
- Inbuilt keywords are not allowed as names