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What is AOP and IOC in spring?

 
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Hello Friends ,
I have been going through on spring. I am not able to understand Aspect oriented programming(AOP) and Inversion of control(IOC) ?

what is the purpose of Spring?

Could you please explain with real time scenarios, then I would be able to understand?
 
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Have you searched the web for IoC and AOP? There are a *lot* of references to both.

In a nutshell, IoC allows an external force to determine what implementation will be used by code rather than the code determining the implementation. The "external force" might be a configuration file, a unit test, other different code, etc.

AOP allows cross-cutting concerns to be implemented outside of the code affected by those concerns.

The "purpose" of Spring includes IoC and AOP, but goes quite a ways beyond that in its scope.
 
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IOC URL AOP URL
 
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Very nice answer David
 
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