Type of Variable: Mutable or immutable

Type of Variable: Mutable or immutable

Immutable Variable, contents can only be assigned initially, can not be modified

val x: String="Jack"
val numbers: Int = 10
val pi: Float=3.14

Mutable Variable:

var x: String="Dave"
x="John"
var num: Int=1
Num=2
var pi=3.14
pi=3.1416

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