Refactoring Fundamentals

Introduction 2m What is Refactoring? 4m Why Should You Refactor? 1m Technical Debt 1m When Should You Refactor 4m Refactoring Principles 1m The Refactoring Process 1m Demo: Characterization Tests 2m Refactoring Tips 1m Refactoring Tools 1m Premature Optimization 1m Refactoring and Tests 1m Demo: A Simple Refactoring 2m Summary 1m

Introduction 0m Code Smells 1m Principle of Least Surprise 1m Organizing Code Smells 0m The Bloaters 0m Long Method 3m Long Method Examples 19m Primitive Obsession 5m Long Parameter List 6m Data Clumps 2m Combinatorial Explosion 2m Oddball Solution 0m Class Doesn't Do Much 0m Required Setup/Teardown Code 0m Summary 0m

Introduction 0m The Obfuscators 0m Regions 4m Comments 8m Poor Names 8m Vertical Separation 0m Inconsistency 0m Obscured Intent 1m Summary 0m

Introduction 0m Switch Statements 5m Temporary Field 4m Alternative Classes with Different Interfaces 1m Class Depends on Subclass 4m Inappropriate Static 0m Summary 1m

Introduction 0m Change Preventers 1m Divergent Change 0m Shotgun Surgery 1m Parallel Inheritance Hierarchies 1m Inconsistent Abstraction Levels 2m Conditional Complexity 5m Poorly Written Tests 1m Summary 0m

Introduction 0m The Dispensables 0m Lazy Class 1m Data Class 3m Duplicate Code 1m Dead Code 1m Speculative Generality 2m Summary 1m

Introduction 0m The Couplers 0m Feature Envy 3m Inappropriate Intimacy 1m Law of Demeter 3m Indecent Exposure 0m Message Chains 0m Middle Man 0m Tramp Data 0m Artificial Coupling 0m Hidden Temporal Coupling 2m Hidden Dependencies 4m Summary 1m

Introduction 0m Environment Smells 8m Test Smells 1m Not Enough Tests 2m DRY vs. DAMP 1m Fragility 15m The Liar 1m Excessive Setup 1m The Giant 0m The Mockery 1m The Inspector 0m Generous Leftovers 1m The Local Hero 0m The Nitpicker 1m The Secret Catcher 1m The Loudmouth 1m The Greedy Catcher 0m The Sequencer 0m The Hidden Dependency 1m The Enumerator 0m The Stranger 0m The OS Evangelist 0m Success Against All Odds 1m The Free Ride 0m The One 0m The Peeping Tom 0m The Slow Poke 0m The Contradiction 1m Roll the Dice 6m Hidden Tests 1m Second Class Citizens 0m Wait and See 1m Inappropriate Test Group 1m The Optimist 0m The Sleeper 1m The Void 0m Summary 1m

Introduction 0m Extract Method 1m Rename Method 3m Demo: Extract and Rename Method 4m Inline Method 1m Introduce Explaining Variable 1m Inline Temp 0m Replace Temp with Query 1m Demo: Replace Temp with Query 2m Split Temporary Variable 1m Parameterize Method 1m Replace Parameter with Explicit Methods 2m Add Parameter 1m Remove Parameter 3m Separate Query from Modifier 3m Summary 0m

Introduction 0m Preserve Whole Object 3m Replace Parameter with Method 1m Introduce Parameter Object 2m Remove Setting Method 1m Hide Method 0m Replace Constructor with Factory Method 2m Replace Error Code with Exception 3m Remove Assignments to Parameters 1m Replace Exception with Test 2m Replace Method with Method Object 4m Compose Method 3m Substitute Algorithm 2m Summary 0m

Introduction 1m Encapsulate Field 2m Encapsulate Collection 3m Move Field 2m Move Method 4m Extract Class 2m Inline Class 1m Extract Interface 2m Extract Subclass 2m Extract Superclass 4m Hide Delegate 2m Remove Middle Man 1m Summary 0m

Introduction 0m Pull Up Field 2m Push Down Field 2m Pull Up Method 3m Push Down Method 2m Collapse Hierarchy 2m Replace Inheritance with Delegation 3m Replace Delegation with Inheritance 2m Replace Type Code with Class 4m Replace Type Code with Subclasses 3m Replace Conditional with Polymorphism 3m Summary 0m

Introduction 1m Encapsulate Classes with Factory 3m Form Template Method 4m Introduce Null Object 5m Move Accumulation to Visitor 8m Move Embellishment to Decorator 6m Replace Conditional Dispatcher with Command 5m Replace Conditional Logic with Strategy 6m Replace State-Altering Conditionals with State 8m Replace Type Code with State (or Strategy) 3m Unify Interfaces with Adapter 8m Summary 1m

Introduction 3m Gilded Rose Kata Setup 2m Beginning the Kata 3m Adding First Tests 7m Testing Aged Brie 3m Testing Sulfuras 0m Testing Backstage Passes 3m Refactoring with StoreItem 7m Testing Individual Strategies 5m Adding Conjured Item Support 7m Summary 2m