Fighting for interview 1:spring

1 What is Spring?

Spring the core concept of the entire series is the IOC, the literal meaning of AOP,IOC is control inversion, the meaning of inversion is that, in the development, object creation work, object and object relations between the association to the IOC container, so that it in the runtime dynamic creation of objects, dynamic creation of association relations, The techniques used are mainly reflection and dynamic proxies. Therefore, in the process of development, we want to interface-oriented programming, so that in the run time, inject different subclasses, to achieve effective extension and modification.

AOP is the aspect-oriented programming, in OOP, the relationship between objects and objects is a longitudinal relationship, not suitable for horizontal relations, AOP is an effective complement to OOP, he is concerned with landscape. In the design of the development, there are some and the actual business logic is not related, but some work with the use of the work, if they are designed in oop, are some repetitive work, such as transaction management, log management and so on, then we do the horizontal processing, in use, the dynamic cut into the logic code, That does not affect the original business logic, but also adds functionality.

2 Advantages of Spring?

3 What can spring do?

4 Spring's internal implementation process?

Fighting for interview 1:spring