What are the common performance issues in Singleton design pattern?

What are the common performance issues in Singleton design pattern?

Common performance issues in the Singleton pattern include global state management, potential bottlenecks, and thread contention.

How can I mitigate these performance issues?

You can mitigate these issues by using lazy initialization, double-checked locking, or using a thread-safe implementation.

Are there any alternatives to the Singleton pattern?

Yes, alternatives include dependency injection, service locators, or using static classes for shared functionality.

When should I avoid using the Singleton pattern?

Avoid using it when you need to manage multiple instances, or when testing and mocking are important for your application.