The easiest way is to install IntelliJ IDEA on Ubuntu 18.04 you have to open Firefox browser and search below link. SSD recommended 1024×768 minimum screen resolution

System Requirements:- 2 GB RAM minimum, 4 GB RAM recommended 2.5 GB disk space. Before you install IntelliJ IDEA, compare the Community and Ultimate Editions and decide which one suits your needs. T here are few languages and technologies only supported in Ultimate Edition. Plugins can be downloaded and installed either from IntelliJs plugin. It has built-in debugging support, Docker and Docker Compose support, embedded Git control, integrates major build automation tools such as Maven and Gradle, syntax highlighting, code completion, ssh terminal, code refactoring, and rich navigation capabilities. IntelliJ supports plugins through which one can add additional functionality to the IDE. IntelliJ IDEA is a full-featured IDE for JVM and Android Development. It is developed by JetBrains and is available in two editions, Community and Ultimate.

Notably, Google uses IntelliJ IDEA as the base for its Android Studio, an open-source Android development IDE for developing Android applications. IntelliJ IDEA is an integrated development environment for Scala development. Note :- Before going start installing IntelliJ IDEA process in your Ubuntu machine, you have to verify that java/Scala both should be installed in our system. How To Install IntelliJ IDEA on Ubuntu 18.04/ 19.10 & Ubuntu 16.04 !

Install intellij community