

What are some strategies for unit testing classes that depend on a singleton without instantiating the actual singleton?
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what is the singleton design pattern Informational
- How does the singleton pattern relate to the concept of global variables and shared state in an application?
- What are some language-specific idioms for implementing singletons?
- What are the performance trade-offs of different thread-safe singleton implementations?
- What is the strategy pattern and how does it relate to singletons?
- How does the singleton pattern relate to different approaches to inter-process communication or message passing?
- What are the trade-offs between performance and thread safety in singletons?
- Are singletons commonly used in monolithic architectures?
- What are the other creational design patterns?
- What are the drawbacks of having a singleton monitoring service?
- How might the singleton pattern affect the scalability or performance of a large-scale application?
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