29.5 Address Book: Using JPA and Transactions to Modify a Database
We now reimplement the address book app from Section 24.8 using JPA. As before, you can browse existing entries, add new entries and search for entries with a specific last name. Recall that the AddressBook Java DB database contains an Addresses table with the columns addressID, FirstName, LastName, Email and PhoneNumber. The column addressID is an identity column in the Addresses table.
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