Scala immutable TreeSet -() method

Last Updated : 19 Apr, 2020

In Scala immutable TreeSet class, the -() method is utilized to remove an element from the given TreeSet.

Method Definition: def -(elem: A): TreeSet[A] Return Type: It returns a new TreeSet with an element removed from the given TreeSet.

Example #1:

Output:

TreeSet(a, e, i, o, u)
After removing an element: TreeSet(a, e, i, o)

Example #2:

Output:

TreeSet(1, 2, 3, 4, 5)
After removing an element: TreeSet(2, 3, 4, 5)

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URL: https://www.geeksforgeeks.org/scala/scala-immutable-treeset-method-5/