January 21, 2017 learning note what is Spring?

the spring of Spring–java developer what spring is.

Spring is a container framework for configuring beans and maintaining relationships between beans.

Spring's function is to let the relationship between objects and objects not be bought and associated, but by configuring the description of the class to be managed, and spring dynamically assembles objects based on configuration and reflection.

Spring is a container in which only objects in the container can use spring's improved services and methods.

One of the classic design patterns in spring is the template method pattern.

Related concepts:

Bean: Can be any kind of object in Java (Javabean/service/action/data Source/dao etc).

Ioc:inverse of control, inversion of controls.

Di:dependency injection, Dependency injection.

Struts is a web framework (jsp/action/actionform)

Hibernate is an ORM framework that is in the data persistence layer