Master IntelliJ IDEA: Essential Settings, Shortcut Hacks, and Must-Have Plugins
This guide walks you through essential IntelliJ IDEA configurations, compares its shortcuts with Eclipse, and highlights two powerful plugins—Free MyBatis and Lombok—to boost Java development productivity, all illustrated with clear screenshots.
Basic Settings
Instructions for customizing the UI theme, adjusting UI scaling, disabling automatic reopening of recent projects, configuring shortcut keys, setting code font size, choosing file encoding, selecting code‑completion matching mode, and defining class‑file comment templates, illustrated with screenshots.
IDEA vs Eclipse Shortcut Comparison
IDEA can emulate the Eclipse keymap; common shortcuts include:
Find file : Eclipse ctrl+shift+r → IDEA ctrl+shift+n Find class : Eclipse ctrl+shift+t → IDEA ctrl+n Find usages : Eclipse ctrl+shift+g → IDEA alt+f7 Generate code block : Eclipse shift+alt+z → IDEA ctrl+alt+t Extract variable : Eclipse shift+alt+l → IDEA ctrl+alt+v Extract method : Eclipse shift+alt+m → IDEA
ctrl+alt+mRecommended Plugins
The following plugins enhance productivity:
Free MyBatis plugin
Provides powerful XML assistance, linking mapper interfaces with mapper XML SQL statements and supporting navigation between them.
Lombok plugin
Adds annotations such as @Getter and @Setter to automatically generate boilerplate methods for Java classes, eliminating the need to write them manually.
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macrozheng
Dedicated to Java tech sharing and dissecting top open-source projects. Topics include Spring Boot, Spring Cloud, Docker, Kubernetes and more. Author’s GitHub project “mall” has 50K+ stars.
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