JPA Certification Exam Objectives

Section 1: Overview of the Java Persistence API
  1. Describe the basics of Object Relational Mapping (ORM)
  2. Define the key concepts of the Java Persistence API (entity, entity manager, and persistence unit)
Section 2: Introducing the Auction Application
  1. Describe the auction application
  2. Define the domain objects of the auction application
  3. Describe the implementation model for the auction system
Section 3: Java Persistence API Entities
  1. Describe the difference between objects and entities
  2. Describe the difference between persistent fields and properties
  3. Identify and use common Java Persistence API annotations, such as @Entity, @Id, @Table, and @Column
Section 4: Understanding the Entity Manager
  1. Describe the relationship between an entity manager, a persistence context, and a persistence unit
  2. Describe the difference between a container-managed entity manager and an application-managed entity manager
  3. Describe the entity life cycle
Section 5: Modeling Entity Relationships
  1. Examine association relationships in the data and object models
  2. Use relationship properties to define associations
  3. Implement one-to-one unidirectional associations
  4. Implement one-to-one bidirectional associations
  5. Implement many-to-one/one-to-many bidirectional associations
  6. Implement many-to-many bidirectional associations
  7. Implement many-to-many unidirectional associations
  8. Examine fetch and cascade mode settings
Section 6: Entity Inheritance and Object-Relational Mapping
  1. Examine entity inheritance
  2. Examining object/relational inheritance hierarchy mapping strategies
  3. Inherit from an entity class
  4. Inherit using a mapped superclass
  5. Inherit from a non-entity class
  6. Examine inheritance mapping strategies
  7. Use an embeddable class
Section 7: Persisting Enums and Collections
  1. Persist entities that contain enums with @Enumerated
  2. Persist entities that contain lists with @ElementCollection
  3. Persist entities that contain maps with @ElementCollection
Section 8: Introduction to Querying
  1. Find an Entity by its primary key
  2. Understand basic Java Persistence API query language queries
  3. Understand native SQL queries
  4. Understand basic Criteria API queries
Section 9: Using the Java Persistence API Query Language
  1. Examine the Java Persistence API query language
  2. Create and use the SELECT statement
  3. Create and use the UPDATE statement
  4. Create and use the DELETE statement
Section 10: Using the Java Persistence API Criteria API
  1. Contrast queries that use the Criteria API with queries that use the Java Persistence query language
  2. Describe the metamodel object approach to querying
  3. Create Criteria API queries
Section 11: Using the Java Persistence API in a Container
  1. Use the Java Persistence API from a servlet
  2. Use the Java Persistence API from a stateless session bean
Section 12: Implementing Transactions and Locking
  1. Describe the transaction demarcation management
  2. Implement container-managed transactions (CMT)
  3. Interact programmatically with an ongoing CMT transaction
  4. Implement bean-managed transactions (BMT)
  5. Apply transactions to the Java Persistence API
Section 13: Advanced Java Persistence API Concepts
  1. Specify composite primary keys
  2. Override mappings with the @AttributeOverride and @AssociationOverride annotations
  3. Understand entity listeners and callback methods

JPA Certification