All the classes released in Java 2 that implement the collection interface contain an iterator () method, which returns an instance of the Iterator. There's nearly universal support for the Iterator ...

Choice composition and zipping: construction of enumerators from multiple sub-sequences by choosing or zipping Compatibility and fluent syntax: enumerators support fluent syntax like Stream classes ...

The rubycollect4j implements all methods refer to Ruby Array, Hash, Set, Enumerable, Enumerator, Range and String. It also implements parts of Ruby Dir, File and Date methods.

Of course, the decision to use a fail-safe iterator requires more consideration than simply the desire to avoid runtime exceptions. Benefits of fail-safe iterators Fail-safe iterators don't throw ...

I have the following variable:Hashtable contentDirectories = new Hashtable();I have subsequently filled the hashtable with 1 or more entries as such:code:public void addDirectory(String configInfo ...