About IntelliJ IDEA An integrated development environment (IDE).

Provide a source code editor, built automation, a debugger, a designer, and other software development tools.

Used to develop desktop applications, mobile applications, websites, etc.

Supports multiple programming languages

1. JVM-based languages, including Java, Scala,Groovy, Clojure and Kotlin.

2. PHP, Python and Ruby.

3. SQL, including PostgreSQL, MySQL, Oracle, SQL Server and many other dialects.

Visibility of System Status

IntelliJ IDEA status bar indicates the current IDE state and lets you carry out certain environment maintenance tasks.

Shows current status of a running application.

The user has the ability to leave the unwanted state without having to go through an extended dialogue. Support undo and redo.

User Control and freedom

Error Prevention

There is a narrow vertical area right to the editor which holds all errors and warnings known to the ide about the current file.

Provides the ability of recognizing if a certain file has errors.

Recognition rather than recall Some functions can not be done by using the toolbar

options. So user have to either memories the shortcuts or navigate through main menu.

Example: Commenting and uncommenting lines of code

1. On the main menu, choose Code | Comment with Line Comment.

2. Press Ctrl+Slash.

Flexibility and Efficiency of Use

IntelliJ IDEA offers the most intelligent code completion for all supported languages.

Provides daily tips to increase the efficiency of use.

Help Users Recognize, Diagnose,and Recover from Errors

Provides error messages with line number, and description of error.

Help and Documentation

IntelliJ IDEA offers an online documentation to help users.