variables kotlin code example

Example 1: kotlin variable

val name = ”Marcin” // Can't be changed
var age = 5 // Can be changed
age++

Example 2: kotlin variable in string

//Kotlin variable in string

//variables go in a ${} in a string, example
println("Happy ${age}th birdthday, ${name}!"

Example 3: how to define variable in kotlin

val firstName: String = "Chike"
val variable name: Typeofthevariable = TheValueofyourvariable