One of the most heard complaints about Spring projects is the seemingly unavoidable configuration-hell that silently creeps in every bigger project after some time.

Singleton injection is a simple practice that can significantly reduce configuration and corresponding injection code. Besides that, it provides possibilities you might not have been aware of enabling you to get most out of Spring. In this blog you will learn which advantages Singleton injection provides. It illustrates how to implement it and specifies clear guidelines in which circumstances it is applied best.

Where applicable, Singleton injection can be an elegant solution that provides significant code and configuration simplification.

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