Oracle
1Z0-860 · Question #32
1Z0-860 Question #32: Real Exam Question with Answer & Explanation
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Question
A developer is working on a project that includes both EJB 2.1 and EJB 3.0 session beans. A lot of business logic has been implemented and tested in these EJB 2.1 session beans. Some EJB 3.0 session beans need to access this business logic. Which design approach can achieve this requirement?
Options
- AAdd adapted home interfaces to EJB 3.0 session beans to make EJB 3.0 and EJB 2.1 session beans
- BAdd EJB 3.0 business interfaces to existing EJB 2.1 session beans and inject references to these
- CNo need to modify existing EJB 2.1 session beans.
- DNo need to modify existing EJB 2.1 session beans.
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