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

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 ...

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.

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.

Project Valhalla has posted a major update and has announced some initial, very early-stage design concepts for value types in the JVM.

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 ...