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.


How to execute shell command from Java

  • 20 June 2018
  • ADM

How to execute a shell command from Java using Runtime.getRuntime().exec() method.


How to change the hostname in Ubuntu

  • 11 June 2018
  • ADM

How to change hostname in Ubuntu. There are three options: temporary until the first restart and permanent by changing the hostname file or using command hostnamectl


How to change Tomcat default port

  • 04 April 2018
  • ADM

How to change Tomcat default port 8080 to any other port. Three steps: locate server.xml file, edit and restart the Tomcat service.


Maven local repository location

  • 04 April 2018
  • ADM

Maven local repository default location for Linux and Windows and how to change the location.


Tomcat default administrator password

  • 04 April 2018
  • ADM

How to activate the default tomcat manager application administrator password. This setting is for Tomcat 7 and newer.