setByAddingObjectsFromSet:

Creates and returns an empty set.

Creates and returns a set containing a uniqued collection of the objects contained in a given array.

Creates and returns a set that contains a single given object.

Creates and returns a set containing the objects in a given argument list.

Creates and returns a set containing a specified number of objects from a given C array of objects.

Creates and returns a set containing the objects from another set.

Returns a new set formed by adding a given object to the receiving set.

Returns a new set formed by adding the objects in a given array to the receiving set.