Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...

Understanding type compatibility is fundamental to writing good Java programs, but the interplay of variances between Java language elements can seem highly academic to the uninitiated. This article ...

Brian Goetz, Oracle's Java language architect, has been talking for quite a while about the need for new features in Java and the Java Virtual Machine (JVM) to improve its typing system on several ...

Even as of early 2015, Java 8 is still fresh and new with something intriguing to offer developers. But Java 9 isn't that far off. Both versions are likely to change how the language works in pretty ...

Suppose I have some classes like this:<BR><BR><I>class Entity<E extends Entity<E>> implements Comparable<E><BR><BR>class Person extends Entity<Person><BR>...int ...