The list.isEmpty
function in Scala checks if a list is empty.
The list.isEmpty
function returns true
if the list is empty; otherwise, it returns false
.
The illustration below shows a visual representation of the list.isEmpty
function.
list_name.isEmpty
list_name
is the name of the list.
The list.isEmpty
function does not require any parameters.
If the list is empty, the list.isEmpty
function returns true
; otherwise, it returns false
.
The following code shows how to use the list.isEmpty
function in Scala.
import scala.collection.mutable.Mapobject Main extends App {//filled listvar list_1 = List(1,3,4,2,0)//list_1 elementsprintln("The list_1 elements: " + list_1);println("The list_1 is empty: " + list_1.isEmpty);//empty listvar list_2 = List()//list_2 elementsprintln("The list_2 elements: " + list_2);println("The list_2 is empty: " + list_2.isEmpty);}