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