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Software Engineering

228The Singleton Pattern: Intent and Structure
229Implementing Singleton: Thread Safety Concerns
230The Singleton Anti-Pattern Debate
231Alternatives to Singleton: Dependency Injection
232When Singleton is Appropriate
233Testing Code That Uses Singletons
234Factory Method Pattern: Intent and Structure
235Factory Method vs Direct Instantiation
236Implementing Factory Methods
237Abstract Factory Pattern: Intent and Structure
238Abstract Factory vs Factory Method
239Implementing Abstract Factories
240Static Factory Methods
241Simple Factory Pattern
242Factory Pattern Trade-offs
243The Builder Pattern: Separating Construction from Representation
244Implementing a Fluent Builder Interface
245Director Pattern and Construction Algorithms
246Builder vs Constructor: When to Use Each
247The Prototype Pattern: Cloning Objects
248Shallow vs Deep Copying in Prototypes
249Prototype Registry and Object Pools
250Combining Builder and Prototype Patterns
251Recognizing When Object Creation is Complex
252Choosing Between Creational Patterns
253Avoiding Pattern Overuse
254Combining Creational Patterns
255Evaluating Trade-offs in Creational Design

Software Engineering

228The Singleton Pattern: Intent and Structure
229Implementing Singleton: Thread Safety Concerns
230The Singleton Anti-Pattern Debate
231Alternatives to Singleton: Dependency Injection
232When Singleton is Appropriate
233Testing Code That Uses Singletons
234Factory Method Pattern: Intent and Structure
235Factory Method vs Direct Instantiation
236Implementing Factory Methods
237Abstract Factory Pattern: Intent and Structure
238Abstract Factory vs Factory Method
239Implementing Abstract Factories
240Static Factory Methods
241Simple Factory Pattern
242Factory Pattern Trade-offs
243The Builder Pattern: Separating Construction from Representation
244Implementing a Fluent Builder Interface
245Director Pattern and Construction Algorithms
246Builder vs Constructor: When to Use Each
247The Prototype Pattern: Cloning Objects
248Shallow vs Deep Copying in Prototypes
249Prototype Registry and Object Pools
250Combining Builder and Prototype Patterns
251Recognizing When Object Creation is Complex
252Choosing Between Creational Patterns
253Avoiding Pattern Overuse
254Combining Creational Patterns
255Evaluating Trade-offs in Creational Design

← Software Engineering

Lesson 232 of 1,933·7. Creational Design PatternsPro lesson

When Singleton is Appropriate

Identify legitimate use cases for Singleton, such as logging, configuration, and resource pools, where single instances make sense.

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