- modularization of cross-cutting concerns
- join point - a point in the execution of a program such as a method call or field assignment
- pointcut - an expression that selects one or more join points
- advice - code to be executed at a join point that has been selected by a pointcut
- aspect - a module that encapsulates pointcuts and advice
singleton Scopes the bean definition to a single instance per Spring container (default). prototype Allows a bean to be instantiated any number of times (once per use). request Scopes a bean definition to an HTTP request. Only valid when used with a web capable Spring context (such as with Spring MVC). session Scopes a bean definition to an HTTP session. Only valid when used with a webcapableSpring context (such as with Spring MVC). global-session Scopes a bean definition to a global HTTP session. Only valid when used in a portlet context.
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