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Javarevisited Newsletter
Why You Should Refactor Methods with More Than 3 Parameters (and How to Do It)

Why You Should Refactor Methods with More Than 3 Parameters (and How to Do It)

TL;DR: Long parameter lists are a code smell. They increase cognitive load, invite caller mistakes, complicate testing, reduce API evolution flexibility, and often signal missing abstractions.

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javinpaul
Jul 22, 2025
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Why You Should Refactor Methods with More Than 3 Parameters (and How to Do It)
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Hello guys, in my last article I have shared with you a coding and refactoring tip about why using Enum is better than boolean in method parameters and you guys loved it. It got more than 18K views and lot of love.

Some of you even thanked me over email for sharing the tip (I really appreciate that a lot). So, I decided to share one more obvious by ofte…

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