Java currently supports only two types of value: primitives and object references. Project Valhalla extends this by introducing inline classes which are a new form of type that exhibit some ...

I did another pass on compiler2 , and managed to wire in signature support. So let's look at a couple examples: class MyRubyClass def helloWorld puts "Hello from Ruby" end def goodbyeWorld(a) puts ...

Java 9 could introduce modularity and new value types. Improved modularity could reduce app size and improve startup performance. New value types will make it easier to program arrays.

Oracle has been working to bring value types to the Java language and runtime. We present an update on the current status of this work.

Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method.

Design symmetry means that if one method causes an effect, the logically opposite method should cause the opposite effect. In this Java tip, David Petersheim discusses why this can be a subtle ...

Scalability and performance are always issues that dog the Java platform. But with so many lessons learned from languages like Scala and Clojure, will Java 9 take on these scalability issues by ...