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Top 10 JPA Interview Questions and Answers (2025 Edition)
Crack your Java interview with these top 10 JPA questions and answers. Understand key JPA concepts, annotations, lifecycle, and advanced mappings with examples.
3 min readMar 26, 2025
📘 Introduction
JPA (Java Persistence API) is a core specification in Java for managing relational data using object-oriented programming. It’s widely used in enterprise applications, especially with Spring Boot.
In this guide, we’ll explore the top 10 most commonly asked JPA interview questions along with clear answers and code snippets to help you get job-ready.
1️⃣ What is JPA?
Answer:
JPA (Java Persistence API) is a Java specification that provides a standard way to map Java objects to relational databases. It defines:
- How objects are persisted in a database
- How relationships are mapped
- How queries and transactions are handled
JPA is just a specification, not an implementation. Common providers include:
- Hibernate (default in Spring Boot)
- EclipseLink
- OpenJPA
