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 ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...

Persistent Java objects simplify the storage and exchange of complex object structures. Poet Software's FastObjects j2 is a pure Java implementation of an object database management system (ODBMS). It ...