Data Clumps: The Code Smell That Signals Poor Program Structure

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Data Clumps is a well-known code smell in object-oriented programming that refers to groups of variables repeatedly passed together across multiple parts of a program. These variables are usually related and carry a shared meaning, which is why they tend to travel together rather than being properly encapsulated. The presence of Data Clumps often signals deeper issues in software design or implementation that can hinder future scalability and maintainability. The recommended fix is refactoring: grouping related variables into dedicated classes, such as separating user data and booking date ranges into their own objects. Cleaner, better-structured code is easier to understand, modify, and scale over time.

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ProgrammingDEV Community ·

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