What is design pattern? Explain all including singleton pattern?
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Answer / Vipul Bhushan Mishra
Design patterns are reusable solutions to common software design problems. They provide a set of best practices and guidelines for organizing code that can be applied across various programming languages and applications.nn1) Singleton Pattern: This pattern ensures that a class has only one instance, and provides a global point of access to it. It's useful when you need a single object to coordinate actions across the system or when you want to limit the instantiation of an expensive-to-create object.
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