Immutable objects are highly desirable. Because an immutable object’s state cannot be changed, they are particularly useful in concurrent environments. Immutable options can simplify code and reduce ...

This is Part Four of a series of articles on Java.next. In Part Four, I will begin to explore how the Java.next languages (JRuby, Groovy, Clojure, and Scala) deal with concurrency. Concurrency is a ...