There are two types of variables – mutable and immutable. An immutable variable is one whose value cannot be changed, also known as unchangeable or read-only variable. On the other hand the value of the mutable variable can be changed. Immutable variable: val keyword Immutable variable is declared using val keyword in Kotlin. In this example, we have declared an immutable variable myName using val keyword and later displayed the value of it. package tejprogramming fun main(args : Array<String>){ /** * This is an immutable variable * also called unchangeable variable * or read-only variable. */ val myName = "Suvidha" println("My Name is: "+myName) }  …