Scala Map iterator method with example
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:
object GfG
{
def main(args : Array[String])
{
val m 1 = Map( "geeks" - > 5 , "for" - > 3 , "cs" - > 2 )
val result = m 1 .iterator
println(result)
}
}
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Output:
non-empty iterator
Example #2:
object GfG
{
def main(args : Array[String])
{
val m 1 = Map()
val result = m 1 .iterator
println(result)
}
}
|
Last Updated :
13 Aug, 2019
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