Boost Your Java Productivity: 15 Must‑Have IntelliJ IDEA Plugins

Introduction

After installing IntelliJ IDEA, applying a set of initialization steps can increase development efficiency dramatically.

1. Top 15 IntelliJ IDEA Plugins

1. Codota – AI Code Completion

Type a few letters and Codota suggests a full statement, showing usage frequency based on the project’s code patterns.

2. Key Promoter X – Shortcut Hints

Shows a popup in the lower‑right corner with the corresponding shortcut for any action, helping you master IDE shortcuts quickly.

3. CodeGlance – Code Minimap

Displays a thumbnail overview of the entire file, making navigation easier when dealing with large codebases.

4. Lombok – Boilerplate Reduction

Generates getters, setters, constructors, toString, hashCode, and more, eliminating repetitive code in entity classes.

5. Alibaba Java Coding Guidelines – Code Inspection

Checks code against Alibaba’s Java standards, highlights issues with colored markers, and provides inline suggestions.

6. CamelCase – Naming Style Converter

Quickly toggle between camelCase and snake_case using Shift+Alt+U, handy for bulk renaming.

7. MybatisX – MyBatis Assistant

Provides powerful MyBatis support, including mapper navigation and SQL execution.

8. SonarLint – Code Quality Checker

Detects bad practices such as using System.out instead of a logger, and suggests improvements.

9. Save Actions – Automatic Refactoring

Optimizes imports, adds final to unchanged variables, inserts this where appropriate, and enforces consistent formatting.

10. CheckStyle – Style Enforcement

Similar to the Alibaba plugin, it checks code style against predefined rules.

11. Grep Console – Console Output Styling

Customizes console output with colors and patterns for easier log reading.

12. MetricsReloaded – Complexity Analysis

Analyzes code complexity metrics to identify potential refactoring targets.

13. Statistic – Code Statistics

Provides quick statistics on lines of code, classes, methods, etc.

14. Translation – Inline Translator

Translates selected text directly within the IDE.

15. Rainbow Brackets – Colorful Brackets

Shows matching brackets in the same color, improving readability.

2. Custom Live Templates for Faster Coding

By defining templates such as typing apr to expand into @Autowired, you can generate common code snippets instantly, tailoring them to your coding habits.

3. Global Configuration Tweaks to Boost Efficiency

1. Optimize Import Settings

Adjust import rules to automatically add missing imports and organize them.

2. Disable Single‑Line Tab Display

Show multiple lines in the tab bar for easier file navigation.

3. Move Double‑Slash Comments to Code Header

Reposition comments for cleaner code appearance.

4. Copy Entire Line with Selection

Configure the IDE to copy the whole line even when only part of it is selected.

5. Disable Case‑Sensitive Matching

Allow suggestions for lower‑case inputs like s to show String.

6. Enhance VCS Directory Colors

Adjust colors for version‑control directories for better visual distinction.

7. Auto‑Insert Author and Timestamp on File Creation

Configure a template to add author name and creation time automatically.

8. Show Line Numbers and Method Separators

Enable line numbers and visual separators between methods for easier navigation.

These plugins and settings together transform IntelliJ IDEA into a highly efficient development environment for Java developers.