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 ...

Here's a quick look at the three types of class loaders and everything you need to know to work with them in your Java programs. Java class loaders are a component of the Java virtual machine (JVM) ...

Dependency injection is an advanced topic. The term was coined by Martin Fowler in 2004 to describe the new, novel and almost magical way that inversion of control containers initialized the ...