Oracle
1Z0-804 · Question #111
1Z0-804 Question #111: Real Exam Question with Answer & Explanation
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Question
Given the fragment: Which two valid alternatives to line 3 would decouple this application from a specific implementation of CustomerDAO?
Exhibit
Options
- ACustomerDAO custDao = CustomerDAO();
- BCustomerDAO custDao = (CustomerDAO) new Object ();
- CCustomerDAO custDao = CustomerDAO.getInstance();
- DCustomerDAO custDao = (CustomerDAO) new CustomerDAOmemoryImp1();
- ECustomerDAO custDao = customerDAOFactory.getInstance();
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