2 | Step 2: Define a JPA Entity ClassTo store objects in an ObjectDB database using JPA we need to define an entity class: Right click on the project in the [Package Explorer] window and select New > Class. Enter tutorial as the package ... ) - the Point class is an ordinary Java class. The next step is adding to the project a Main class |
2 | JPA Tutorials application: Spring MVC and JPA Maven Projects for Download The tutorials provide step by step ... are also available for download as ready to use Maven projects (which can be opened and used in Eclipse, NetBeans, IntelliJ IDEA and JDeveloper). |
2 | Step 3: Add a Main ClassIn this step we will add a main class to the project to store and retrieve Point objects from the database: Right click the tutorial package in the [Package Explorer] window and select New > Class ... of the code can be found in the Quick Tour chapter of the ObjectDB Manual. The next (and last) step in this tutorial is running the project. |
2 | Step 3: Add a Main ClassIn this step we will add code to the Main class (that was generated with the project) in order to store Point objects in the database and then retrieve them from the database. Use copy and paste ... is provided in the Quick Tour chapter of the ObjectDB Manual. The next step (and the last in this tutorial) is running the project. |
2 | Step 2: Define a JPA Entity ClassTo store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the project node (in the [Projects] window) and selecting New > Java Class... Enter Guest as the class name - use exactly that case sensitive class name |
1 | Step 5: Add a JSP PageIn this step we will add the JSP that generates the guestbook HTML output: Open the [New JSP File] dialog box by right clicking the WEB-INF node under the Web Pages node (in the [Projects] window) and selecting New > JSP... Enter guest as the jsp file name - use exactly that case sensitive class |
1 | Eclipse/JPA Spring MVC Web Tutorial would be the same). The tutorial is based on using a Maven project. Therefore, required JAR files (ObjectDB |
1 | Step 4: Run the ApplicationYou can run the application now by right clicking the Main node (in the [Projects] window) and selecting Run File. The expected output in the [Output] window, is: Total Points: 1000 Average X: 499.5 (0,0) (1,1) (2,2) (3,3) : : (998,998) (999,999) When you run the application |
1 | Spring MVC and JPA Tutorial are stored in an ObjectDB database. This tutorial is available in the following versions: In addition, the demonstrated application is available as a Maven project: |
1 | Step 2: Define a JPA Entity ClassTo store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the tutorial package node (in the [Projects] window) and selecting New > Java Class... Enter Point as the class name - use exactly that case sensitive |
