The Dependency Inversion Principle says "the interface belongs to the client." As I've said elsewhere, adopting this principle means a reversing of the way applications used to be built: Design the ...

Take advantage of the dependency injection principle to provide support for pluggable implementations in your application and build loosely coupled, testable components The Dependency Inversion ...

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 two-part ...

This series of articles introduces Contexts and Dependency Injection for Java EE (CDI), a key part of the Java EE 6 platform. Standardized via JSR 299, CDI is the de-facto API for comprehensive ...

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 ...