In Java, algebraic data types can be modeled precisely as sealed hierarchies whose leaves are records. Java's interpretation of algebraic data types have a number of desirable properties.

Covariance and contravariance might seem esoteric, but you'll need these concepts more than ever as the Java language evolves. Get started with type dependency in array types, generic types, and ...

The boxing and unboxing of Java primitive types has severe performance implications. Uncover the truth about autoboxing Java primitive types in this JDK Mission Control and JVM Flight Recorder example ...

Valhalla and value types to change the way developers code in Java In 2014, just as Java 8 was released, JavaOne was looking towards the future and talking about what was coming with Java 9. In 2015, ...