Home > Spring > Spring Fundamentals – A quick walkthrough

Spring Fundamentals – A quick walkthrough

spring-egitimi

Spring behaves as a factory of beans, in other words it act as a bean container. Sp pretty much any POJOs we are creating can be contained in the Spring Container. Inside this container, there can be number of objects contained. The container deals with this objects and take care about object instantiate, manage object life cycle and the destruction of the objects.

To manage the object life cycle inside the Spring container, the container should handle the objects. It is done via the creation of the objects which is done through the container.

Spring-Container

Imagine a scenario where we need to create objects out of the spring container. This can be done using “New” keyword outside the container. But the Spring approach is much different. The container will create the objects inside it and pass to the outer objects. It is more like factory pattern. The container acts as a factory and uses some configuration files to do the task.

factrypttrn

Just like this factory pattern the Spring Bean Factory do the object creation.

sprngbeanfactry

The XML file has the bean configuration. According to that configuration, Spring Container  create new Spring Beans and hands over them to the outer object. So the object life cycle is totally handled by the Spring Bean Container. 

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