What are the design patterns you know explain?
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Answer / Kriyanshu Saraswat
Design patterns are reusable solutions to common problems in software design. Some well-known examples include:
1. Singleton: Ensures a class has only one instance and provides a global point of access.
2. Factory: Defers instantiation of objects until runtime, allowing for flexible object creation.
3. Observer: Allows multiple objects to be notified when an event occurs in another object.
4. Strategy: Defines a family of algorithms, encapsulates each one, and makes them interchangeable at runtime.
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Design Patterns 
