In .NET Core, a singleton refers to a design pattern where a class is restricted to a single instance and provides a global point of access to that particular instance. This ensures that only one instance of the class exists throughout the application's lifecycle. One of the most common ways to implement a singleton in .NET Core is by using the Singleton design pattern. Here's an example: public class Singleton { private static Singleton instance; // Private constructor to prevent instantiation private Singleton() { } public static Singleton Instance { get { if (instance == null) { instance = new Singleton(); } return instance; } } // Other members and functionalities can be added here } In this example, the `Singleton` class has a private constructor, preventing external instantiation. The `Instance` property uses a lazy initialization approach to create a single instance of the class when it's accessed for the first time. Subsequent calls to `Instance` return the same instance. A practical real-world scenario for using the Singleton pattern in .NET Core could be a logging service. By ensuring that only one instance of the logging service exists, you can maintain a consistent log across the entire application, with no risk of multiple instances causing inconsistency. This ensures that critical application-wide components, such as the logging service, are always accessed from a single instance, promoting efficiency and consistency throughout the .NET Core application. Let me know if you need more information or examples related to singletons in .NET Core!

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What is singleton

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What is singleton

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