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