How to install java 1.8 in ubuntu and how to set it as default Java version

                    In this post, we will see "How to install java 1.8 in ubuntu and how to set it as default Java version".

                  Follow the following steps: 

Step 1. Add the repository

    sudo add-apt-repository ppa:webupd8team/java

Step 2. Update apt-get

    sudo apt-get update

Step 3: Install Java 8 and set it as default

    sudo apt-get install oracle-java8-set-default

To Check version of installed Java:

    java -version