What bean scopes does Spring support? Explain them.

1.	What bean scopes does Spring support? Explain them.
Answer» The Spring Framework supports following five scopes, three of which are available only if you use a web-aware ApplicationContext. singleton − This scopes the bean definition to a single instance per Spring IoC container. prototype − This scopes a single bean definition to have any number of object instances. request − This scopes a bean definition to an HTTP request. Only valid in the context of a web-aware Spring ApplicationContext. session − This scopes a bean definition to an HTTP session. Only valid in the context of a web-aware Spring ApplicationContext. global-session − This scopes a bean definition to a global HTTP session. Only valid in the context of a web-aware Spring ApplicationContext.

Answer»

The Spring Framework supports following five scopes, three of which are available only if you use a web-aware ApplicationContext.

singleton − This scopes the bean definition to a single instance per Spring IoC container.
prototype − This scopes a single bean definition to have any number of object instances.
request − This scopes a bean definition to an HTTP request. Only valid in the context of a web-aware Spring ApplicationContext.
session − This scopes a bean definition to an HTTP session. Only valid in the context of a web-aware Spring ApplicationContext.
global-session − This scopes a bean definition to a global HTTP session. Only valid in the context of a web-aware Spring ApplicationContext.

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