Introduction to Hibernate

Introduction to Hibernate


Hibernate is a high-performance object/relational persistence and query service. In this class, experienced Java developers learn how to put the Hibernate engine to work within their applications.


Most Accelebrate courses are delivered as private, customized, on-site training at our clients’ locations worldwide for groups of 3 or more attendees and are custom tailored to their specific needs. Please visit our client list to see organizations for whom we have delivered private in-house training. These courses can also be delivered as live, private online classes for groups that are geographically dispersed or wish to save on the instructor’s or students’ travel expenses. To receive a customized proposal and price quote for private training at your site or online, please contact us.

In addition, some courses are available as live, online classes for individuals.


  • Understand the benefits of Hibernate
  • Understand the Hibernate architecture
  • Create Hibernate based applications
  • Understand and use Hibernate mapping to map persistent objects to the database
  • Understand and work with collections and associations
    • Value and Entity Types
    • Bidrectional and unidirectional
    • 1-1, 1-N, N-N
  • Use Hibernate’s versioning support
  • Map inheritance hierarchies using Hibernate
  • Work with Hibernate queries, HQL, and Criteria
  • Performance tune your Hibernate applications
  • Understand Hibernate transaction support
  • Understand the relationship between Hibernate and Java Persistence / EJB 3
  • Use the new Hibernate annotations to do OR mapping


All attendees must have at least one year of full-time Java™ development experience and an excellent understanding of relational databases and SQL.


All attendees receive a copy of Apress’ Beginning Hibernate: From Novice to Professional and related courseware.


  • Core 2 Duo or faster processor with at least 3 GB RAM
  • Any operating system that supports Java 1.7 or later
  • JDK 7 (6 could be accommodated upon request)
  • The Java tool the students are likely to use after the class (Eclipse is recommended, but other tools are supported)
  • Other free software – please contact us if you have purchased this class
  • For classes delivered online, all participants need either dual monitors or a separate device logged into the online session so that they can do their work on one screen and watch the instructor on the other. A separate computer connected to a projector or large screen TV would be another way for students to see the instructor’s screen simultaneously with working on their own.


  • Introduction to Hibernate
    • Issues with Persistence layers and Object-Relational Mapping (ORM)
    • Hibernate Overview and Benefits
    • Hibernate architecture overview
    • POJO (Plain Old Java Object) Based Mapping
  • Getting started with Hibernate quickly
    • Overview of the Hibernate distribution
    • Configuring Hibernate
      • hibernate.cfg.xml file
      • SessionFactory configuration
      • Connection properties, Database dialect
      • Configuration class, Session Interface
    • “Hello World” Program for Hibernate
    • Mapping a Class
      • Persistent Entity Class, Hibernate Mapping
      • File, Mapping the Entity Class
      • Primary keys: Id property, Generated Id
    • Hibernate Type System
    • Working with sessions and Persistent Objects
    • Logging – log4j Overview and configuration for Hibernate
  • Querying
    • Inserting and Updating Entities
    • HQL – Hibernate Query Language Overview
    • The Query Interface
    • Creating and working with queries
    • Named Queries, Projection Queries, Aggregate Queries
  • The Persistence Lifecycle
    • Transaction Overview and Transactions in Hibernate
    • Hibernate Transaction API (in Managed and Non-managed Environments)
    • The lifecycle of managed objects
    • Persistent, transient, and detached objects
    • The Persistence (Session) Context (Lifespan, Relation to Managed Objects, Propagation)
    • Contextual Sessions
    • Synchronization to the Database
    • The Session as cache
  • Optimistic Locking / Versioning
    • Detached Objects and Optimistic Locking
    • Versioning overview and Using Versioning
    • Locking Objects
  • Relationships
    • Object Relationship Overview
    • Mapping Collections of Value Objects
    • Entity Relationships: 1-N, N-1, N-N, 1-1
    • Mapping Entity Relationships
    • Uni and Bi-directional Relationships
    • The Relationship “inverse”
    • Cascading Over Relationships
    • Queries Across Relationships (Lazy and Eager)
  • Inheritance Mapping
    • Entity Inheritance with Hibernate
    • Table-per-class mapping
    • Table per Subclass mapping
    • Table per Concrete Class mapping
  • Additional Querying Capabilities
    • Projection Queries, Aggregate queries
    • Bulk updates and deletes
    • Native SQL Queries
    • Query Filters
  • The Criteria API
    • Overview of the Criteria API
    • Working Querying with the Criteria API
    • Query by Example
  • Hibernate and Java Persistence / EJB 3
    • Overview of Java Persistence / EJB 3
    • Relationship between Java Persistence and Hibernate
    • Overview of Annotations
    • Mapping Entities with Hibernate Annotations
    • The EntityManager, Persistence Context and Persistence Unit
    • Working with Transactions – EntityTransaction, Managed, and Unmanaged Environments
    • Inserts and Updates
    • JPQL – Java Persistence Query Language
    • Versioning
    • Relationships
  • Advanced Topics
    • Components and Multi-Table Mapping
    • equals() and hashCode()
    • Caching and Efficiency
    • Design Considerations
  • Conclusion

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Introduction to Hibernate

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  • Course No : HIB-100
  •  Theory : 40%
  •  Lab : 60%
  • Duration : 18 hours
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