Describe a pattern that is not the factory pattern? How is it used and when?
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Answer / Shailendra Kumar Dwivedi
One example of a design pattern different from the Factory Pattern is the Singleton Pattern. This pattern ensures that a class has only one instance, providing a global point of access to it. It is typically used when exactly one object is needed to coordinate actions across the system or when expensive object creation must be minimized.nnFor example, consider a logging utility in an embedded system. A singleton can ensure that only a single logging instance exists, directing all log messages to a central location for efficient processing and analysis.
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