Once we start learning Spring Framework, we hear a term 'Spring Core'. Spring Core is nothing but an important and must know module of the Spring Framework. Without a deep learning of the Spring Core module, a developer shouldn't think of working on Spring Framework confidently. This article on 'Spring Core Tutorials' contains the must know artifacts for each developer who is going to work on Spring Framework based application. Let's discuss out topic 'Spring Core Tutorials' and related concepts in detail. What is Spring Container? Spring Container is itself a program in Spring Framework that manages the objects. The container gets its instructions by reading configuration metadata to instantiate, configure, and assemble the objects. We can represent configuration metadata in different forms,