DaTaobao Tech

Jan 20, 2025 · Fundamentals

Cyclomatic Complexity Management via Function Extraction

The article explains that cyclomatic complexity harms code quality and testability, and shows how using IDEA’s CodeMetrics plugin together with purposeful function extraction—splitting long, complex, or duplicated code into well‑named, reusable methods—reduces complexity, improves readability, and supports maintainable, testable software.