Parsing JSON using Groovy


In our previous post we saw how we used Gson API to parse the Json using Java. Not spending too much time on the introduction, I would want to straight away dive into the same parsing which can be done using Groovy language. Groovy is a scripting language which runs on the JVM. It can […]

Parsing JSON using Java and GSON library


In my previous post here, I gave a brief overview of JavaScript Object Notation (JSON). In this post I would go a bit further and show how one can parse the JSON documents into Java objects using the GSON library. The JSON data for this tutorial was obtained from: “” where screen_name was TwitterAPI and […]

What is JavaScript Object Notation (JSON)?


A quick JSON search on Google would yield plenty of results and more specifically the JSON homepage. None the less we wanted to share something brief and something good about JSON. Lot of you are familiar with XML and XML had been the defacto data-transfer language in the area of RESTful webservices, but off late […]

Download file from HTTP & HTTPS server using Java


In the earlier articles, JavaBeat has published many articles on uploading and downloding of files using the Java programming. Upload and Download is essential utility in the programming world because every server must have the feature to upload and download the files by the user or downlod the reports incase of the enterprise applications. The […]

Generate XSD from XML files


XSD is the XML schema definition for defining the XML elements in the XML document. Prior to the XML schemas, DTDs are used which are not XML document and has the limitations. XSD is most popular because of the extensibility and the validations for the XML files. You can set the validation rules for the […]

JAXB Exception : nor any of its super class is known to this context


When you are working with the JAXB objects, there are some times you would encounter the exception saying the “nor any of its super class is known to this context”. The reason for this error could be many reasons it depends on the environment you are working. The simple solution for fixing the problem is […]