Scala List iterator() method with example
The iterator method is utilized to give an iterator.
Method Definition: def iterator: Iterator[A]
Return Type: It returns a non-empty iterator for non-empty list and returns an empty iterator for empty list.
Example #1:
// Scala program of iterator // method // Creating object object GfG { // Main method def main(args : Array[String]) { // Creating a list val m 1 = List( 1 , 2 , 3 , 4 , 5 ) // Applying iterator method val result = m 1 .iterator // Displays output println(result) } } |
Output:
non-empty iterator
Example #2:
// Scala program of iterator // method // Creating object object GfG { // Main method def main(args : Array[String]) { // Creating an empty list val m 1 = List() // Applying iterator method val result = m 1 .iterator // Displays output println(result) } } |
Output:
empty iterator