Do you know design patterns. List few?
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Answer / Pradeep Parashar
Yes, here are some common design patterns:
1. Singleton: Ensures a class has only one instance and provides a global point of access to it.
2. Factory: Defines an interface for creating objects without specifying their concrete classes.
3. Observer: Defines a one-to-many dependency between objects, so that when one object changes state, all its dependents are notified and updated automatically.
4. Strategy: Defines a family of algorithms and encapsulates each one as an individual object, making it easy to switch between them at runtime.
5. Decorator: Attaches additional responsibilities to an existing object dynamically without modifying its structure.
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