Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications ... You don’t have to create any Book objects to call class methods.

In a recent project, I needed an easy way to traverse Java object trees and extract values from the objects. Instead of continually going through huge iterator-if-else setups, I wanted a tool that ...

The Java Iterator is an all-purpose interface that simplifies looping through a collection of objects. Java's ListIterator provides all the functionality of the Iterator interface, with four ...

Iterators in Java typically expect exclusive access to the data structure they loop through. If another thread tries to modify a collection of objects while an iterator processes ... conversion goes ...