Java Iterator vs. Enumeration methods Another reason why developers most often choose the Iterator is its ease of use and its shorter method names. For reference, the two key methods of the ...

Have you ever wondered why the java.util.Collections class includes various “empty” class methods, which return immutable empty collections and immutable empty iterators? This post answers ...

In the iterator, store the current node, the current word (all previous characters, initially empty), and the position in the children/links array.