What is inversion of control (IoC) and dependency injection in Spring framework?

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Answered by suresh

What is Inversion of Control (IoC) and Dependency Injection in Spring Framework?

Focus Keyword: Spring Framework

In the Spring Framework, Inversion of Control (IoC) is a design principle that helps in decoupling the dependencies in a software application. In IoC, the control of object creation and lifecycle is transferred to a container or framework rather than the objects creating and managing their dependencies.

Dependency Injection is a key concept in IoC. It is a design pattern where the objects are given their dependencies rather than creating them. In Spring Framework, Dependency Injection is achieved through the use of annotations or XML configuration files to inject the dependencies into the objects at runtime.

By using IoC and Dependency Injection in the Spring Framework, developers can write more modular, scalable, and maintainable code by reducing the tight coupling between components and promoting easier testing and reusability.

Answer for Question: What is inversion of control (IoC) and dependency injection in Spring framework?