Java Tutorials

Our hosting partner in Sweden, Elastx, recently partnered with SolidFire as part of a study by Cloud Spectator. They performed various tests to measure cloud I/O performance with Amazon AWS, Rackspace and Elastx (powered by Jelastic).

Facing error while updating ADT 23 in Eclipse Android bundle

This is a step-by-step tutorial on how to create a simple event calendar in the Struts Framework using DHTMLX JavaPlanner. You'll learn how to perform initialization of the web control, populate your event calendar with data from the database and define logic for data loading and saving. Code snippets and a ready Struts calendar demo package are provided.

How to get Id of asset in Android at runtime

This tutorial with a live demo is a booking calendar example of how table reservation for cafes and restaurants can be implemented in pure Java. Learn how to create an easy-to-use table booking system in Spring MVC using DHTMLX JavaPlanner web control. Code snippets, screenshots and a ready sample to download are provided.

In this article we will address how to protect an application running on a Tomcat server in Jelastic. We recommend two possible solutions on how to restrict access to your app by requesting the user authentication or just denying the access for specified IP addresses. You can choose one of them or use both methods together.

A tutorial on what is and how servletContextListeners can be used.

When we are developing web applications we might come up with the case where the users must login to the application and let users access some pages according to their role (admin,registered user,guest etc).In this tutorial we will work on authorizing and authenticating users using Hibernate and Servlets/JSP.

Learn how to use actions in Struts2: - Sample action, - Actions extends ActionSupport, - Multiple actions.

Apache TomEE provides you with the best technology stack that can be deployed to a simple Java EE container. It’s lightweight and at the same time is a full-blown application server, which remains simple and avoids architecture overhead. In the following tutorial you’ll learn the basics of web application development with the help of the Apache Struts framework, which is an absolutely free open-source solution for creating Java web apps.