Scala Iterator filter() method with example
Last Updated :
30 Jun, 2019
The filter() method belongs to the concrete value members of the class AbstractIterator. It is defined in the classes Iterator and IterableOnceOps. It selects all the elements of the stated iterator which satisfies the used predicate.
Method Definition : def filter(p: (A) => Boolean): Iterator[A]
Return Type : It returns a new iterator containing all the elements of the stated iterator which satisfies the given predicate.
Example #1:
object GfG
{
def main(args:Array[String])
{
val iter = Iterator(7, 8, 5, 4, 13)
val x = iter.filter(x => {x % 2 == 0})
val result = x.next()
println(result)
}
}
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Example #2:
object GfG
{
def main(args:Array[String])
{
val iter = Iterator(3, 9, 5, 1, 13)
val x = iter.filter(x => {x % 3 != 0})
val result = x.next()
println(result)
}
}
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