In this chapter, we have created a Data Access Object to interact with our database to obtain one record at any time. We have also seen how the DAO works seamlessly with our User bean object to create and read information.
Other topics we have covered in this chapter are:
- The CRUD methods (Create, Read, Update, and Delete)
- Passing Beans as an argument into the DAO
- An introduction to Dependency Injection
- Caching the objects in memory scopes
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