Refactor

Master the Art of Code Refactoring

Improve your code quality and refactoring skills by learning classic "bad smells" from "Refactoring: Improving the Design of Existing Code"

Systematic Learning

Covers 24 classic code bad smells, systematically organized into 5 major categories for easy understanding and memorization

Java Examples

Each bad smell comes with real Java code examples, closely aligned with actual development scenarios

Interactive Quizzes

Test your learning outcomes through random quizzes with instant feedback to help consolidate knowledge

Skill Enhancement

Improve code review abilities, cultivate good programming habits and refactoring awareness

Code Smells

Major Categories

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Random Quiz Questions