Rename (method, class, parameter) · Los Techies

发布时间：2025-08-25 10:06

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7 August, 2009. It was a Friday.

This refactoring I use most often and is one of the most useful refactoring. All too often we do not name methods/classes/parameters properly that leads to a misunderstanding as to what the method/class/parameter’s function is. When this occurs, assumptions are made and bugs are introduced to the system. As simple of a refactoring this seems, it is one of the most important to leverage.

1: public class Person

2: {

3: public string FN { get; set; }

5: public decimal ClcHrlyPR()

6: {

7: // code to calculate hourly payrate

8: return 0m;

9: }

10: }

As you can see here, we have a class/method/parameter that all have very non-descriptive, obscure names. They can be interpreted in a number of different ways. Applying this refactoring is as simple as renaming the items at hand to be more descriptive and convey what exactly they do. Simple enough.

1: // Changed the class name to Employee

2: public class Employee

3: {

4: public string FirstName { get; set; }

6: public decimal CalculateHourlyPay()

7: {

8: // code to calculate hourly payrate

9: return 0m;

10: }

11: }

This refactoring was originally published by Martin Fowler and can be found here

This is part of the 31 Days of Refactoring series. For a full list of Refactorings please see the original introductory post.