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What is container in Spring MVC and when does it exactly get created when you run the application?

 
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As i studied, there are two spring containers BeanFactory and ApplicationContext. But what if I develop a spring web application where i do not use any of the two because i did not dependency injection.
So my question is who plays the role of container in that case and when does it exactly get created in the program?

thanks in advance.
 
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In short, the BeanFactory provides the configuration framework and basic functionality, and the ApplicationContext adds more enterprise-specific functionality. The ApplicationContext is a complete superset of the BeanFactory, and is used exclusively in this chapter in descriptions of Spring’s IoC container.  

Spring Docs
 
Arun Singh Raaj
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In short, the BeanFactory provides the configuration framework and basic functionality, and the ApplicationContext adds more enterprise-specific functionality. The ApplicationContext is a complete superset of the BeanFactory, and is used exclusively in this chapter in descriptions of Spring’s IoC container.



Ok sir, but i want to know about Spring MVC program where i did not even need Dependency Injection or ApplicationContext, BeanFactory. Then who is the container?
 
Peter Rooke
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Don't know what your asking.  

Spring is based around IoC and DI, and Spring-MVC is an extension of that.  If you don't want a container then simply don't use Spring.  
 
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"Container" usually means the web application server.

When you create a webapp using Spring MVC, that application would take the form of a WAR, per the J2EE/JEE standards. The WAR is then deployed to the container, so it isn't a case of when does the container get created when you run the application, since the container gets created first.

Traditionally, you'd launch the webapp container externally, then deploy your WAR into it. With Spring Boot, there's a container bundled with the WAR, so Spring Boot actually launches its own private container then deploys the associated WAR to that container, packing all 3 components - launcher, container, and webapp - into one single archive file.
 
Arun Singh Raaj
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thanks
 
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