Get started modeling entities and relationships for Java data persistence, using an example application based on Java 21 with Hibernate 6.3.

Every JPA entity has a primary key, but some entities have more than one value as their primary key. In this case, you need to use a composite key. This Java tip introduces you to using composite ...

A student's budget is the negative value of their tuition fee. Tasks: Design a UML class diagram: Create a UML class diagram that illustrates the classes, interfaces, and relationships involved in the ...