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By piccoloprincipe
via css.dzone.com
Published: Apr 25 2013 / 08:36

The constructor of an object contains a declaration of its dependencies, in hardwired or injected form. There are a few exceptions, such as creating new objects all over the place inside other methods (with no regard for Dependency Injection), accepting objects as method parameters or with setters; however, constructor injection remains one of the simplest and more powerful ways to build a web of collaborating objects.
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