kotlin var val
+----------------+-----------------------------+---------------------------+ | | val | var | +----------------+-----------------------------+---------------------------+ | Reference type | Immutable (once initialized | Mutable (can change value)| | | can't be reassigned) | | +----------------+-----------------------------+---------------------------+ | Example | val n = 20 | var n = 20 | | | n++ | | +----------------+-----------------------------+---------------------------+
how to define variable in kotlin
val firstName: String = "Chike" val variable name: Typeofthevariable = TheValueofyourvariable
Source: code.tutsplus.com
var and val in kotlin
val and var both are used to declare a variable. var is like general variable and it's known as a mutable variable in kotlin and can be assigned multiple times. val is like Final variable and it's known as immutable in kotlin and can be initialized only single time.
variables en kotlin
// 1 val question = "What's your name?" // 2 val question: String = "What's your name?" // 3 var question: String = "What's your name?"
Source: openclassrooms.com
kotlin variable
val name = ”Marcin” // Can't be changed var age = 5 // Can be changed age++
kotlin var and val
val declares a read-only property, var a mutable one