How do you refactor a long method?

Treatment

1. To reduce the length of a method body, use Extract Method.
2. If local variables and parameters interfere with extracting a method, use Replace Temp with Query, Introduce Parameter Object or Preserve Whole Object.

How do you refactor a large class?

Plan of action

1. Rearrange methods.
2. Analyse relationships between file-loading methods.
3. Modify the methods that are staying behind.
4. Create covering tests for the new FileLoader class.
5. Create new FileLoader class and move two methods.
6. Move the other methods to the new FileLoader class.
7. Extract more new classes.

What are the refactoring techniques?

List of Main Code Refactoring Techniques

• Red-Green Refactoring.
• Preparatory Refactoring.
• Branching by Abstraction Refactoring.
• Composing Methods Refactoring.
• User Interface Refactoring.

What do you call long Method refactoring using ReSharper?

Code Smells: Long Method Refactoring using Resharper The object programs that live best and longest are those with shorts methods. Programmers new to objects often feel that no computation ever takes place, that object programs are endless sequences of delegation.

Which is the best method for code refactoring?

Pull-Up method: It pulls code parts into a superclass and helps in the elimination of code duplication. Push-Down method: It takes the code part from a superclass and moves it down into the subclasses.

How to refactor the long method code smell?

1. Create a new method called void IncrementQuality (int i). 2. Copy the duplicate code into IncrementQuality (int i). 3. Replace the duplicate code with a call to IncrementQuality (int i). 4. Remove the outer if Quality < 50, and replace it with a call to IncrementQuality (int i).

What’s the best way to use a long method?

If loops are in the way, try Extract Method. Among all types of object-oriented code, classes with short methods live longest. The longer a method or function is, the harder it becomes to understand and maintain it. In addition, long methods offer the perfect hiding place for unwanted duplicate code.