Explain Angular Services and their role in an application.

Quick Answer Services are singleton classes that handle business logic, data fetching, and state sharing between components. Decorated with @Injectable. Injected via constructor DI. By default (providedIn: root) a single instance is shared across the whole app. Services keep components lean - components handle display, services handle data and logic. Communication between unrelated components goes through services.

Answer

Services contain shared or reusable logic that should not be placed inside components.

They are commonly used for HTTP calls, state management, business logic, utilities, and data sharing. Angular services work with Dependency Injection for clean structure and testability.

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Explain Angular Services and their role in an application.

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