Extract Method

Extract Method

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Refactoring Code Smells Hands-On

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Module 1 - Introduction

The Goals of The Session

Module 2 - Customer Billing

Code Diagram

Code with Bad Smells

Self-testing Code

Extract Method Technique

Pullup Method (Martin Fowler)

Module 3 - Print Report

Code Diagram

Code with Bad Smells

Self-testing Code

Method Object (Kent Beck)

Extract Method Technique

Template Method (Gang of Four)

Module 4 - Rate Calculator

Code with Bad Smells

Self-testing Code

Decompose Conditional Technique

Module 5 - Price Calculator

Code with Bad Smells

Self-testing Code

Replace Temp with Query Technique (Martin Fowler)

Refactoring and Performance

Module 6 - Salary Payment

Code with Bad Smells

Replace Type Code with Subclasses Technique

Replace Conditional with Polymorphism

Module 7 - Loan Calculator

Code with Bad Smells

Self-testing Code

Replace Method with Method Object

Extract Method

Decompose Conditional

The Outcome So Far

Replace Type Code with Subclasses

Replace Conditional with Polymorphism

Module 8 - Final Thoughts

Thoughts

Bonus

code_smells_before_code.zip

code_smells_after_code.zip

Code Smells Hands-On.pdf