In Java 12 a new enhancement has been made to switch that has added new capabilities to it, which simplifies the coding by extending the old switch statement to be used as either a normal enhanced ...

With that in mind, in this Java Tip, I present a short program that compiles and runs Java code statements simply by using tools included in Sun’s JDK 1.2 and above.

A method might accept a specific type and its subclasses, but you want to restrict usage to a select few implementations of your own design. Java's open inheritance model can feel like an open ...