If you follow the latest developer buzz then you\\\\\'ve likely heard of IOC (Inversion of Control) containers and AOP (aspect-oriented programming).
Tutorial Details:
Hibernate is a popular, easy-to-use, open source object-relation (OR) mapping framework for the Java platform. Spring is an AOP framework and IOC container. Together, these two technologies will provide the foundation of your development efforts in this article. You\\\\\'ll use Hibernate to map some persistent objects to a relational database and Spring to make Hibernate easier to use and provide declarative transaction support. As an added bonus, I\\\\\'ll throw in a little TDD (test-driven development), as DbUnit was used to write the test code for the example classes.
Note that this article assumes that you are familiar with enterprise development on the Java platform, including JDBC, OR mapping issues, J2EE design patterns like DAO, and declarative transaction support such as that provided by Enterprise JavaBeans (EJB) technology. You are not expected to be an expert in any of these technologies in order to follow the discussion, nor do you need to be familiar with AOP, IOC, or TDD, as all three will be introduced in the article.
Introducing Hibernate
Hibernate is a full-featured, open source OR mapping framework for the Java platform. In many ways Hibernate is similar to EJB CMP CMR (container-managed-persistence/container-managed-relationships), and JDO (Java Data Objects). Unlike JDO, Hibernate focuses entirely on OR mapping for relational databases, and includes more features than most commercial products. Most EJB CMP CMR solutions use code generation to implement persistence code, while JDO uses bytecode decoration. Conversely, Hibernate uses reflection and runtime bytecode generation, making it nearly transparent to end users. (Earlier implementations of Hibernate used reflection only, which aids in debugging, and current versions retain this option.)
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