Smart casting operator "is" and "!is" in kotlin

 

fun main(args: Array<String>) {
    /* Smart Cast
    for nullable types
    is - !is - operator
     */

    val obj: Any = 10
    if(obj !is Long)
    {
        println("Obj is not string")
    }
    else
    {
        println("Obj is Long ${obj}")
    }




}