Kotlin (programming language): Difference between revisions

Revision as of 13:38, 16 July 2014

Revision as of 18:46, 16 July 2014

Line 53:

<source lang=Scala>

fun foosayHello(maybeNullmaybe : String?, neverNull : Int)

fun foo(maybeNull : String?, neverNull : Int)

{

// use of elvis operator

val name : String = maybe ?: "stranger"

println("Hello ${name}")

}

</source>

An example for the use of the safe navigation operator

<source lang=Scala>

// returns null if foo is null, or bar() returns null, or baz() returns null

foo ?. bar() ?. baz()

</source>