Spring Poi and Di

Spring
IOC inverse of control inversion IFly fly; Irun run;
AOP Aspect oritend Programming-oriented tangent programming
Oop:object Oritend Programming Object-oriented programming four core abstract wrapper inheritance polymorphic code 30K 20%
Ood:object Oritend Designing Object-oriented design engineer architect 30K----60K
Ooa:object oritend analesis Object-oriented analysis

Relationships between objects (object-oriented Analysis OOA, object-oriented design OOD, object-oriented programming OOP)
Analysis--------Design------Programming
It's generalization extends.
can implement interface implements
About Union member variables
Using local variables in dependency methods

Programmers
Cheng
Program Ape

Software Development Engineer

3.IOC

Understanding one: Control of a Component object is transferred from the code itself to an external container (Spring container)

Understanding two: The Configuration bean node in XML

Di:dependency injection Dependency Injection to object injection property value

Relationships: They are descriptions of different aspects of spring's core thinking. The interpretation of the same concept or transaction standing in different dimensions? Focus

Spring Poi and Di