Fail-safe vs. fail-fast Java iterators. If the goal is to avoid exceptions, system resources are in plentiful supply, and updates to the underlying collection class while the iterator runs will not ...

First, hasNext() should not call next(). The standard contract for hasNext() is that it can be called any number of times without changing the iterator, while the standard contract for next() is ...

From my perspective, this is the Enumerator's only possible application in modern programming. In all other cases, the Java Iterator is your best choice. About the author Dmytro Vezhnin is CEO and ...

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...