Insert the missing code in the following code fragment. This fragment is intended to create an iterator to be used to process elements of a tree. TreeSet aTree = . . . String first = iter.next(); String second = iter.next(); A) Iterator iter = aTree.iterator(); B) Iterator iter = aTree.iterator(); C) Iterator iter = String.iterator(); D) Iterator iter = aTree.iterator();

Question

Quizplus · Accepted Answer

The correct way to obtain an iterator for a TreeSet of Strings is by calling the iterator() method on the TreeSet instance, which returns an Iterator<String>.

Insert the Missing Code in the Following Code Fragment