Roy Tutorials

Introduction In bidirectional association, you will have navigations in both direction, i.e, both side of the association will have the reference to the other side. The both side of the association will implement one of the collection interfaces, if it has the reference to the other entity. In many-to-one/one-to-many relationship, multiple source objects can have relationship with same target object or…

Introduction In unidirectional association, you will have navigation only in one direction, i.e, only one side of the association will have the reference to the other side. The one side of the association will implement one of the collection interfaces, if it has the reference to the other entity. In many to one relationship, multiple source objects can have relationship with…

This video tutorial will show you a step by step guide on how Haar wavelet transform happens. I will show this video with sample data on which we will perform Haar wavelet transform.

Preview Form This tutorial shows how you can preview form using jQuery. Sometimes you need to preview form data before you submit the form for further processing. This gives you clear picture of what you have entered into the form and whether you need to rectify any data if you have entered incorrectly. This also saves us from extra server…

Introduction This tutorial example shows how you can create a nice contact form using jQuery. The concept was taken from http://www.emblematiq.com/projects/niceforms/. This beautiful contact form may be useful in situations like you want to create a Contact Us/Me form on your website or you can also use this contact form for comment purpose for your blog. This contact form consists…

Mule ESB is a lightweight Java-based enterprise service bus (ESB) and integration platform that allows developers to connect applications together quickly and easily, enabling them to exchange data. Mule ESB enables easy integration of existing systems, regardless of the different technologies that the applications use, including JMS, Web Services, JDBC, HTTP, and more. This example shows how you can transfer…

Introduction In this tutorial I will build Google chart using Struts 2; actually, it is a pie chart using Google chart API. The backend will be built on Struts 2 framework. The JSP page will be used for displaying data on Google pie chart.You might know that Google chart basically displays different statistical data on different chart types such as…

Pie Chart This tutorial is about Google chart using spring framework. You may know that Google chart basically displays different statistical data on different chart types such as column chart, bar chart, line chart, pie chart etc. You can have a look at the URL https://developers.google.com/chart/ for more information. You can integrate Google chart with any server side technology but…

Introduction I will show you how to create Google chart using JSF 2. I will create here pie chart. The Google chart basically displays different statistical data on different chart types such as column chart, bar chart, line chart, pie chart etc. You can have a look at the URL https://developers.google.com/chart/ for more information. You can integrate Google chart with…

In Java we have interesting modifier called transient to handle somewhat specialized situations. When an instance variable is declared as transient then its value need not persist when an object is stored to the persistence storage. Transient variables cannot be persisted during serialization. A transient variable is a variable that can not be serialized. the transient keyword can be used…