Lecture 13
9
• while ( wordIterator.hasNext() ) {
•    word = (String)wordIterator.next();
•    definition = this.getEntry( word );
•    str += word + ":\n" +     definition.toString() + "\n";
• }
•use the key to look up a Definition
•send the Definition a toString message
•add two lines to the String str we are building to  represent the whole Dictionary
Building a multiline String