EJB

EJB1@Stateful or @Stateless or @Singelton@Remote(MyInterface.class) or @Local(MyInterface.class)Class MyClass implements MyInterface(){}

Or Anotate Interface@Remote 0r @LocalInterface MyInterface(){}

@Stateful or @Stateless or @SingeltonClass MyClass implements MyInterface(){}

EJB 3.1No Interface required. Container dynamically identifies and loads business method for EJB using annotation

@StatefulEjb or @StatelessEjb or @SingeltonEjbClass MyClass implements MyInterface(){}

Clent Side@Resource & @EJB ( Dependency Injection EJB 3.0)Container will use JNDI to inject instance of Resource or EJB

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