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 ...

float update(float value, float minimum, float maximum) { if(value < minimum) value = minimum; else if(value > maximum) value = maximum; return value; } How can I ...

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 ...