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 ...

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.

What's the difference between double vs float data types? In this quick tutorial we show how float and double Java types differ, along with guidance on how to choose one over the other.

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

Why should you use Collections class methods rather than similarly named fields to obtain empty collections? Type safety makes the crucial difference.

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 ...