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 ...

A look at some of Java 8’s new features, using both Java’s proposed syntax and Scala. We cover lambda expressions, higher-order functions, parallel collections and virtual extension methods ...

Prior to the Eclipse Collections 8.0 release, EC was compatible with Java versions 5 - 7. 8.0 and higher requires Java 8+ and uses Optional for dealing with potentially null values.

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.