The filter() method is utilized to select all elements of the SortedMap which satisfies a stated predicate.
Method Definition: def filter(p: ((A, B))=> Boolean): SortedMap[A, B]
Return Type: It returns a new SortedMap consisting all the elements of the SortedMap which satisfies the given predicate.
Map(geeks -> 5)
Here, an empty SortedMap is returned as none of the elements satisfy the stated predicate.