suresh What is Inversion of Control in Spring?
Inversion of Control (IoC) is a design principle in which the control of object instantiation and flow of the program is shifted from the application code to an external framework or container. In the case of Spring framework, IoC is at the core of its architecture, allowing developers to focus on implementing business logic while delegating responsibilities such as object creation and dependency management to the Spring container.
How is Inversion of Control Implemented in Spring?
In Spring framework, IoC is implemented through the use of Dependency Injection (DI). Spring's IoC container manages the creation and wiring of objects, allowing dependencies to be injected into an object at runtime. This is achieved through configuration files (XML or annotations) where objects are declared and their dependencies are specified.
The focus keyword for this answer is 'Inversion of Control in Spring'. By understanding and utilizing IoC and DI in the Spring framework, developers can achieve loose coupling, maintainability, and testability in their applications.
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