The Java Iterator is a nice implementation of iterator design pattern, and allows us to traverse through a collection in a sequential way. The collection has a method to create an iterator instance, ...

To demonstrate the Iterator design pattern in Java, we will create an example that mimics a simple collection (e.g., a book collection) and iterates over it. According to the "Design Patterns: ...

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 ...