How to map Composite Primary Key to Entity Class in JPA Hibernate

In this example I am going to tell you how to map composite primary key to entity class in your JPA Hibernate entity class. Composite primary key is a combination of two or more columns made together as a primary key. Therefore the combination of column values will be as a unique instead of having a single column value as unique. Let’s say you have created a table called user in your database and the user table has three columns – id, name and email. So you don’t want to…

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