IntelliJ Basics

IntelliJ Basics

Table of Contents

1. What is IntelliJ IDEA
2. Download
3. Installation
   • System Requirements
   • Installation Instructions
4. Basic Java Project with execution

What is IntelliJ IDEA –

IntelliJ is extremely powerful Integrated Development Environment (IDE) widely used by Java and Kotlin developers. It is easy to use and offers variety of features to simplify coding and collaboration among teammates.

It is developed by JetBrains and is available in free and paid versions.

IntelliJ IDEA Community Edition is free to use for personal and commercial development. 

IntelliJ IDEA Ultimate is paid with more features such as Profiling tools, Spring, Java EE, Jakarta, HTTP Client, JavaScript and its frameworks, Database tools, SQL, etc.

Download –

IntelliJ IDEA is supported on Windows, Linux and Mac operating systems.

Its Ultimate and Community editions can be downloaded from below link –

Edition	Windows	Linux	Mac
Community	https://www.jetbrains.com/idea/download/#section=windows	https://www.jetbrains.com/idea/download/#section=linux	https://www.jetbrains.com/idea/download/#section=mac
Ultimate	https://www.jetbrains.com/idea/download/#section=windows	https://www.jetbrains.com/idea/download/#section=linux	https://www.jetbrains.com/idea/download/#section=mac

NOTE: 

1. MAC OS – Its downloadable file comes in two flavours –

      2. Ultimate edition is paid version with 30 days free trial.

Installation –

A. System Requirements

Below are the system requirements on which IntelliJ IDEA can be installed –

Windows	Linux	Mac
64-bit versions of Microsoft Windows 10, 8	GNOME or KDE desktop	macOS 10.14 or higher
2 GB free RAM minimum, 8 GB of total system RAM recommended	2 GB free RAM minimum, 8 GB of total system RAM recommended	2 GB free RAM minimum, 8 GB of total system RAM recommended
2.5 GB hard disk space, SSD recommended	2.5 GB hard disk space, SSD recommended	2.5 GB hard disk space, SSD recommended
1024×768 minimum screen resolution	1024×768 minimum screen resolution	1024×768 minimum screen resolution

B. Installation Instructions

Below are the installation instructions which shall be followed for installing IntelliJ IDEA –

Windows	Linux	Mac
Run the idea idea-xxx.xx.xx.exe file that starts the Installation Wizard.	Unpack the idea idea-xxxx.x.x.tar.gz file to an empty directory using the following command: tar -xzf idea- xxxx.x.x.tar.gz Note: A new instance MUST NOT be extracted over an existing one. The target folder must be empty.	Download the idea-xxxx.x.x.dmg macOS Disk Image file.
Follow all steps suggested by the wizard.	Run idea.sh from the bin subdirectory.	Double click .dmg file. It gets executed.
		Copy IntelliJ IDEA to your Applications folder

Basic Java Project –

Please follow below video tutorial for detailed demonstration of –

• Java project “Hello World” 
• Execution using Run tool
• Execution using Terminal window