IntelliJ IDEA is a powerful integrated development environment (IDE) developed by JetBrains for Java and other JVM languages. It provides advanced coding assistance, debugging tools, and productivity features for professional software development.

Key Features

  • Smart Code Completion: Context-aware code suggestions
  • Advanced Refactoring: Safe code restructuring tools
  • Built-in Debugger: Powerful debugging capabilities
  • Version Control Integration: Git, SVN, and other VCS support
  • Plugin Ecosystem: Extensive plugin marketplace
  • Framework Support: Spring, Hibernate, and more

Essential Shortcuts

                        
// Navigation
Ctrl + N          - Go to class
Ctrl + Shift + N  - Go to file
Ctrl + Alt + L    - Reformat code
Ctrl + D          - Duplicate line

// Refactoring
Shift + F6        - Rename
Ctrl + Alt + M    - Extract method
Ctrl + Alt + V    - Extract variable
F6                - Move class/method

// Debugging
F8                - Step over
F7                - Step into
Shift + F8        - Step out
Ctrl + F8         - Toggle breakpoint

Career Impact

$92K
Average Salary
72%
Java Developer Usage
9M+
Active Users

IntelliJ IDEA proficiency is highly valued in enterprise Java development. It's the preferred IDE for many professional Java developers and significantly boosts productivity.

Learning Path

  1. Learn basic navigation and project setup
  2. Master code editing and completion features
  3. Understand debugging and testing tools
  4. Explore refactoring capabilities
  5. Learn version control integration
  6. Customize IDE with plugins and themes