Observer Interview Questions and Answers

Observer - Interview Questions

What is Observer Design Pattern?

FAQkey Concept

The GoF design patterns book defines Observer design pattern as follows - 'Define a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically.'

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Design Patterns - Interview Questions

Abstract Factory Factory Builder Prototype Singleton Adapter Bridge Composite Decorator Facade Flyweight Proxy Chain Of Responsibility Command Interpreter Iterator Mediator Memento Observer State strategy Template Visitor

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