In Scala immutable
TreeSet class, the
foreach() method is utilized to apply a given function to all the elements of the TreeSet.
Method Definition: def foreach[U](f: (A) => U): Unit
Return Type: It returns all the elements of the TreeSet after applying the given function to each of them.
Example #1:
Output:
TreeSet(2, 4, 6, 7, 8, 9)
Elements in the TreeSet: 2 4 6 7 8 9
Example #2:
Output:
TreeSet(2, 4, 6, 7, 8, 9)
2 times 2 = 4
4 times 4 = 16
6 times 6 = 36
7 times 7 = 49
8 times 8 = 64
9 times 9 = 81
