Refactoring
Introduction to Refactoring
Refactoring is a disciplined technique for restructuring an existing body of code, altering its internal structure without changing its external behavior.
- Defining Refactoring
- Problems with Refactoring
- Refactoring and Design
- Refactoring and Performance
- Refactoring Helps You Find Bugs
- What Do I Tell My Manager?
- When Should You Refactor?
- Where Did Refactoring Come From?
- Why Should You Refactor?
Bad Smells in Code
When you should refactor? There are list of situations when you certainly should. Martin Fowler calls them Bad smells in code. Here they are:
- Alternative Classes with Different Interfaces
- Comments
- Data Class
- Data Clumps
- Divergent Change
- Duplicated Code
- Feature Envy
- Inappropriate Intimacy
- Incomplete Library Class
- Large Class
- Lazy Class
- Long Method
- Long Parameter List
- Message Chains
- Middle Man
- Parallel Inheritance Hierarchies
- Primitive Obsession
- Refused Bequest
- Shotgun Surgery
- Speculative Generality
- Switch Statements
- Temporary Field
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