In this post I want to make a concise investigation regarding one very popular Hibernate exception. Today I will talk about id generating for some table, and if to be more precise, about cases when we need to assign id manually. Let's start.
Today I want to show you an example of unidirectional one to one association using primary key. It can be a little bit difficult for beginners to setup such association but I will try my best to explain all aspects in a clear way. For this tutorial I choose MySQL as a database, also I will use Hibernate and JPA annotations.
In one of my previous posts I made an overview of Hibernate and its main principles of work. Now I want to talk about one of the most important features of Hibernate - associations. An association represents a relationship between two tables in a database. So let's go further because great things wait for us.
Spring MVC is a part of Spring Framework and its main purpose is to make web-development more simple, convenient and easy. interaction with forms is a part of every more or less modern web application. Spring MVC allows you to perform all kinds of activity with forms in a very strict and simple way. In the article you will read the basics of form handling with the help of Spring MVC.
Java development has one specific feature... To start the development you must set up and configure an environment. And often it isn't a trivial task because you need to take care about plenty of things. So in the post I'm going to consider a very popular mistake in the setting up of Dynamic Web Project.
This is the first article on my blog related to Spring MVC. The beginning is always exciting, so I will try to be concise and informative. Spring MVC allows creation of web-applications in the most convenient, straightforward and fast way. Start working with this technology implies knowledge of Spring CORE. In the post you will read about creation of a simple Spring MVC Controller. I prefer Java-based configuration of application, so the example will contain this approach.
As a continuation of the previous article, I want to demonstrate a simple example of Hibernate usage. I will show you the basic principles of Hibernate functionality. The article will cover annotation based configurations. For the tutorial you need to have installed an IDE (e.g. Eclipse), Maven, m2e plugin, MySQL.