Java includes various mechanisms for iteration, including index (for iterating over an array), cursor (for iterating over the results of a database query), enumeration (in early versions of Java ...

The Collections class’s methods for obtaining empty collections are preferable to use of Collections ‘s similarly named fields for that same purpose because of the type safety the methods provide.

The Java Platform provides the most commonly used data structures in the form of the Collections Framework, and it provides a rich API to operate on them. This article explains the concepts behind ...