Java is a programming language that was developed by Sun Microsystems (it was acquired by Oracle Corporation). The major characteristics of Java is the portability meaning that the applications written in Java are cross-platform by default so can be run seamlessly on Windows, MAC OS X and Linux including Ubuntu. It is required to have Java Runtime Environment (JRE) installed on your Ubuntu system to run Java programs or visit web sites with Java applets. See below how to get JRE installed and also how to test Java/JRE in Ubuntu.

Continue reading…