This repo is a collection of the JPA Fundamentals examples. You can learn the JPA Fundamentals & Hibernate on my blog.

Repositories:

• entity-and-context : Kind of a Hello world application for the JPA.
• id-generation: What are the GenerationType.TABLE and GenerationType.IDENTITY and where to use @GenericGenerator(...)
• enumarated-and-temporal: How to work with enum types (@Enumaration), date types and usage of @Temporal annotation
• composed-keys: How to work with composed key with @Embeddable way or @IdClass way
• one-to-one-relation: Learn how to create one-to-one relationship between entities using @SecondaryTable or @OneToOne annotation
• one-to-many-and-many-to-one: Learn how to map one-to-many relationship and which methods are the best for the perfomance.
• many-to-many: Learn how to map many-to-many relationship.
• association-override: How to create relationship using @Embeddable and @Embedded
• inheritance-strategies: Learn options to construct inheritance relationship in JPA and also learn how to use @MappedSuperclass
• entity-lifecycle: Learn how to use entity lifecycle events.