Java Spring FrameWork

Course Link - Chad Darby

Spring Core

In general approach whenever a components needs to use another component, it creates an instance of the compoments or requests for the component from a service provider, this creates a "tight coupling" between the components i.e whenever one component changes the other would be affected by the change
To solve this Inversion of control reverses the traditional approach, in this approach whenever a component requires an object, it is passed as a prop rather than instatiating the object in the class.
Different Types of IoC
Dependency Injection: receive the dependencies through constructor, settor or an interface
service locator: receive the dependencies by making a request to a central repository.
Factory Pattern: Have a interface class deliver the required dependencies
Spring framework uses spring container, to handle the Ioc functionalities