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Getting Started with Java Hibernate

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  • Post last modified:January 26, 2024

Introduction:

Hibernate is a popular and powerful object-relational mapping (ORM) framework for Java. It simplifies database interactions by providing a high-level, object-oriented API for persisting Java objects to relational databases. In this tutorial, we’ll explore the basics of Hibernate and walk through practical examples to illustrate its usage.

Prerequisites:

Before proceeding with the examples, ensure you have the following:

  1. Java Development Kit (JDK) installed (version 8 or higher).
  2. Integrated Development Environment (IDE) such as Eclipse, IntelliJ, or NetBeans.
  3. Hibernate library (JAR files) added to your project.

Example 1: Setting Up Hibernate Configuration

  1. Create Hibernate Configuration File (hibernate.cfg.xml):

Replace the database URL, username, and password with your own database connection details.

  1. Create Hibernate Util Class:

Example 2: Creating and Persisting Entities

  1. Create Entity Class:
  1. Persisting Entities:

Example 3: Retrieving Entities

Conclusion:

This tutorial covered the basics of setting up Hibernate, creating entities, and persisting/retrieving data from a database. Hibernate simplifies database interactions by providing a convenient and object-oriented approach to working with databases. As you delve deeper into Hibernate, you’ll explore advanced features such as relationships mapping, querying with HQL (Hibernate Query Language), and more. Happy coding!

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