spring supports several bean scopes?

• singleton: Singleton, the entire Spring IoC container, using only a singleton instance defined bean
• prototype: Prototype mode, each prototype acquired by getbean method defined bean container, produces a new instance of the bean

 

Only use Spring in a Web application, request, session, global-session scope to be effective

• request: For each HTTP request using the request will have bean defined a new instance, i.e. each HTTP request will produce different bean instance.
• session: Session with a shared instance of a bean.
• global-session: the same session scope is different, and all share a Session Bean instance.

Description link
 

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