Step-by-step – OpenJDK 12 Ubuntu 18.04 Installation

Installing

2. 2. Enabling OpenJDK 12 PPA

   Add OpenJDK 12 PPA for Ubuntu GNU/Linux

   Enabling OpenJDK 12 Repo for Ubuntu

   OpenJDK 12 PPA for Ubuntu

3. 3. Installing OpenJDK 12

   Then to Install OpenJDK 12 in Ubuntu
   Simply run:

   sudo apt install openjdk-12

   Authenticate with the User Admin Pass.
   If Got “User is Not in Sudoers file” then see: How to Enable sudo

Java IDEs Installation on Linux

How to Install Eclipse for Java Development on Linux: Installing Eclipse IDE for Java on Linux.

How to Install Netbeans IDE for Java on Linux: Installing NetBeans IDE for Java on Linux.

How to Install IntelliJ IDEA for Java on Linux: Installing IntelliJ IDEA for Java on Linux.

So Now I’m truly Happy if My Guide could Help you to Quick-Start with OpenJDK 12 on Ubuntu 18.04 Bionic!