Click the Exhibit button. Which statement is true about the set variable on line 12?()
A:The set variable contains all six elements from the coll collection, and the order is guaranteed to be preserved.
B:The set variable contains only three elements from the coll collection, and the order is guaranteed to be preserved.
C:The set variable contains all six elements from the coll collection, but the order is NOT guaranteed to be preserved.
D:The set variable contains only three elements from the coll collection, but the order is NOT guaranteed to be preserved.
出自:Oracle认证