Hibernate ORM is developed by Red Hat and an open-source framework that provides the mapping between Java Object and Relational Database. Hibernate uses Hibernate Query Language for performance DB operations. The below diagram depicts how to, hibernate works as a layer between the application layer and the relational database. Design We will create a table as contacts having fields as id, first_name, last_name and email which will map to Java Object Contact having attributes as id, firstName, lastName and email.