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Spring Framework is developed on two core concepts – Dependency Injection and Aspect-Oriented Programming (AOP). Today we will look into the core concepts of Aspect-Oriented Programming and how we can implement it using Spring Framework. Aspect-Oriented Programming Overview Most of the enterprise applications have some common crosscutting concerns that is applicable for different types of Objects and modules. Some of the common crosscutting concerns are logging, transaction management, data validation, etc. In Object-Oriented Programming, modularity of application is achieved by Classes whereas in Aspect-Oriented Programming application modularity is achieved by Aspects and they are configured to cut across different classes. AOP takes out the direct dependency of crosscutting tasks from classes that we can’t achieve through a normal object-oriented programming…