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Hibernate / Hibernate 7 Basics Interview Questions

What is Hibernate 7 and when was it released?

Hibernate ORM 7 is the current major version of Hibernate, the most widely used Java ORM framework. Hibernate 7.0 was released on May 20, 2025. The current latest stable release is 7.4 (mid-2026).

  • First production-ready release entirely under Apache Software License v2 (including Envers)
  • Complete implementation of Jakarta Persistence 3.2
  • Complete implementation of Jakarta Data 1.0
  • Full support for Jakarta EE 11
Hibernate 7 at a glance
PropertyDetail
GA releaseMay 20, 2025
Latest stable7.4 (mid-2026)
LicenseApache Software License v2
Jakarta Persistence3.2
Jakarta Data1.0
Minimum JavaJava 17
Managed in Spring BootSpring Boot 4.x
What license did Hibernate 7 adopt for ALL modules including Envers?
Which Jakarta Persistence version does Hibernate 7 fully implement?

More Related questions...

What is Hibernate 7 and when was it released? What is ORM and why is Hibernate used instead of writing raw JDBC? How do you configure Hibernate 7 with Maven? What is an entity in Hibernate 7 and how do you define one? What are entity states in Hibernate 7 and how do they transition? What is the biggest breaking change in Hibernate 7: detached entity reassociation removal? What is the Session in Hibernate 7 and what are its core CRUD operations? What is the Hibernate SessionFactory and how do you create one? What is HQL (Hibernate Query Language) in Hibernate 7? What is JPQL vs HQL in Hibernate 7? How does Hibernate 7 handle primary key generation strategies? What is the first-level cache (persistence context) in Hibernate 7? What is the second-level cache in Hibernate 7 and how does it work with StatelessSession? What are lazy and eager fetching in Hibernate 7 and how do you avoid the N+1 problem? How do you map one-to-many and many-to-one relationships in Hibernate 7? What is the StatelessSession in Hibernate 7 and when should you use it? What is the Criteria API in Hibernate 7 and what are SelectionSpecification and RestrictionSpecification? How does @Embeddable and @Embedded mapping work in Hibernate 7? What are the new FindOptions in Jakarta Persistence 3.2 and Hibernate 7? What is optimistic locking in Hibernate 7 and how do you implement it? What is pessimistic locking in Hibernate 7 and what are the improvements? What is the @ManyToMany relationship in Hibernate 7 and how do you map it? What is Hibernate's flush behaviour and how does it affect SQL execution? What are named queries in Hibernate 7 and how are they type-safe with TypedQueryReference? What is the @Inheritance mapping in Hibernate 7 and what strategies are available? What is the @Filter and auto-enabled filters feature in Hibernate 7? What is key-based pagination in Hibernate 7 and how does it differ from offset pagination? What is Jakarta Data 1.0 and how does it integrate with Hibernate 7? What is the @NaturalId feature in Hibernate 7 and what is @NaturalIdClass? How does Hibernate 7 support vector data types for AI/ML applications? What are the key removed APIs in Hibernate 7 and how do you migrate? What is @SQLRestriction and @SQLJoinTableRestriction in Hibernate 7? How does Hibernate 7 handle schema validation and generation (hbm2ddl)? What are Hibernate 7's improvements to multi-tenancy support? What is the @Check constraint and @ColumnDefault annotation in Hibernate 7? What is @BatchSize and how does it solve the N+1 problem differently from JOIN FETCH? What is Hibernate 7's @Struct mapping for database composite types? What are Hibernate 7's logging improvements for SQL and parameter binding? How does Hibernate 7 work with Spring Boot 4 - what is auto-configured? What are the key Hibernate 7 vs Hibernate 6 differences interviewers ask about?
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