public class TestBSTWithIterator { public static void main(String[] args) { BST<String> tree = new BST<String>(); tree.insert("George"); tree.insert("Michael"); tree.insert("Tom"); tree.insert("Adam"); tree.insert("Jones"); tree.insert("Peter"); tree.insert("Daniel"); for (String s: tree) System.out.print(s.toUpperCase() + " "); } }