A particular implementation of DependencyInjection where the InversionOfControl framework ''injects'' the dependent objects through the Constructor.
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''"The basic idea with constructor-injection is that the object has no defaults and instead you have a single constructor where all of the collaborators and values need to be supplied before you can instantiate the object."''

http://misko.hevery.com/2009/02/19/constructor-injection-vs-setter-injection/

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See InversionOfControl, HollywoodPrinciple, DependencyInjection, SetterInjection

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There seems to be some refactoring/consolidation around the collection of terms describing InversionOfControl, but I didn't have the time to undertake it just now). --GeoffSobering

''This was spun off from page YaxinWang, which is an odd mixture of public and personal.''