Design patterns are reusable solutions to common software design problems. They can be categorized into three types: creational, structural, and behavioral. The Singleton pattern ensures only one instance of a class is created. It is useful in scenarios where you want to maintain a single instance of an object, such as a high score tracker in a game.
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1. Types of Design Patterns2. 10 Famous Design Patterns Questions and Answers3. Wrapping UpSort: