In Spring, what are bean post processors?


In Spring, what are bean post processors? Can we associate multiple bean post processors with a bean?

Ninja Asked on 17th September 2018 in Spring.
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In Spring framework, the BeanPostProcessor interface defines a number of callback methods that an application developer can implement in order to provide their own  instantiation logic, dependency-resolution logic etc. These methods are invoked by the Spring container after it has finished with bean instantiation, configuring and initialization.

Multiple BeanPostProcessor can be configured for a bean. The order of their execution can be controlled through “order” property.

Ninja Answered on 17th September 2018.
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