#4.2 Kotlin Data Types: VAR vs VAL: Variables and Constants Part-1

var number:Int = 10

var number = 10

 

var str: String = "hello"

var str = "Hello"

 

val num1 = 20

val str1 = "hello"

 

Data Types in Kotlin : All are Objects

types	size(bit)
Boolean	1
Byte	8
Char	16
Short	16
Int	32
Long	64
Float	32
Double	64

var is Mutable  / val is Immutable