JMX (Java Management Extensions) Question: Download JMX PDF
What are the various actions performed when an application context is created?
Answer:
Here are 5 steps:
☛ Read bean file XML (or process annotations). Build internal "map" of beans and determine dependency tree.
☛ Post process the definitions - e.g. resolve ${variables}
☛ Allocate objects - dependency inject constructor args and invoke setter.
☛ Perform any initialisation - 3 approachs: @PostConstruct, init-method, InitializingBean
☛ Bean post-processors - e.g. wrap with proxy, @Required
☛ Read bean file XML (or process annotations). Build internal "map" of beans and determine dependency tree.
☛ Post process the definitions - e.g. resolve ${variables}
☛ Allocate objects - dependency inject constructor args and invoke setter.
☛ Perform any initialisation - 3 approachs: @PostConstruct, init-method, InitializingBean
☛ Bean post-processors - e.g. wrap with proxy, @Required
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