CustomerID here means Username. Study entity class CheckingAccount.java, and then develop your entity classes SavingsAccount.java and Transaction.java that has a method for recording a transaction.

The Java Persistence API is a specification ... as well as any customizations in the persistence framework. A list of entity classes in your project. Let’s look at an example.

A challenge when developing applications that use object-relational mapping (ORM) like Hibernate and JPA, a common approach is to list each @Entity decorated Java class programmatically either in the ...