[Java] Mapping relational concepts with Hibernate 4

It is crucial to know that O/R mapping using Hibernate isn't about transforming every table you want to use in your application into a Java class. Notice that relational and object-oriented are two different paradigms. It would be more appropriate to re-think the design of the database tables using Java and object-oriented programming. In this tutorial, which is aimed for first-timers, we will tackle basic O/R mapping using Hibernate 4, in other words, we will see how to join tables with their respective object-oriented representations. I assume that you are able to make and run a basic Hibernate example, otherwise please read the first tutorial "Hello Hibernate 4 with Eclipse Kepler" (http://peace-and-code.blogspot.com/2013/10/java-hello-hibernate-4-with-eclipse.html). In this tutorial, we use Hibernate 4.2.5 (http://sourceforge.net/projects/hibernate/files/
hibernate4/4.2.5.Final/).

[Java] Hibernate 4 object states

In order to manage objects representing rows in database tables, the user of Hibernate needs to have a grasp of object states within the framework. This tutorial will be an introduction for first-timers to the notion of object states in Hibernate. I assume that you are able to make and run a basic Hibernate example, otherwise please read the first tutorial "Hello Hibernate 4 with Eclipse Kepler" (http://peace-and-code.blogspot.com/2013
/10/java-hello-hibernate-4-with-eclipse.html).
The version of Hibernate we will use is 4.2.5 (http://sourceforge.net/projects/hibernate/files/hibernate4/4.2.
5.Final/).
In the rest of this tutorial, we will refer to classes mapped to actual database tables as entities, and to the subsequent objects representing rows in these tables as entity instances.

[Java] Hello Hibernate 4 with Eclipse Kepler

In this tutorial, I trace my first experience with Hibernate[1]. Needless to say, this article is meant to introduce newbies to working with Hibernate. Our keywords are clarity and simplicity[2]. Therefore, we will proceed step-by-step and avoid the use of complex manipulations, third party plug-ins or any techniques that could lead a first-timer into unfortunate experiences.