HP Microserver Gen8 - Install ClearOS remotely

  • 31 October 2020
  • ADM

HP Microserver Gen8 - Install ClearOS on SSD Drive remotely. Step by step installation instructions.


How to check the JDK version of a class file

  • 17 March 2020
  • ADM

When running a Java application it is mandatory that the JRE version to match or to be higher that the JDK version used to compile the application.

You will get the "Unsupported major.minor version 52.0" error when trying to run an Java 1.8 application using a lower version of Java.


Abstract keyword in Java

  • 10 March 2020
  • ADM

The abstract keyword is used in Java for abstraction. The abstraction is the process of selecting data and displaying only the relevant details to the object. If helps to reduce the programing complexity and the efort.


All keywords in Java

  • 09 March 2020
  • ADM

Keywords are special words in the programing language which have reserved use in the language. Keywords may not be used as identifiers in Java; for example you cannot declare a field whose name is a keyword.


XML and HTML sitemap file in SEO

  • 16 February 2020
  • George

The sitemap's a file place on your website that will enable Google and other search engines to crawl better and understand the structure of the site. Sitemaps also tell search engines which pages on your site are most important. It's a binder of your website's content.


Java Custom Annotations Example

  • 26 July 2018
  • ADM

How to create Java Custom Annotation. A simple example of creating Annotations in Java and usage by calling the Reflection API.