[Solved] Why does using an Angular service enable two sibling components to share data effectively? — Ans: Because the service acts as a singleton, maintaining shared state accessible by... | Angular

Angular - Component Interaction

Why does using an Angular service enable two sibling components to share data effectively?

ABecause services replace the need for @Input() and @Output() decorators

BBecause services automatically synchronize component templates without extra code

CBecause sibling components can directly access each other's properties through the service

DBecause the service acts as a singleton, maintaining shared state accessible by both components

Step-by-Step Solution

Solution:

Step 1: Understand Angular service scope
Services provided in root are singletons, meaning one instance shared across components.
Step 2: Recognize shared state concept
Singleton services hold data or state that sibling components can access and update.
Final Answer:
Because the service acts as a singleton, maintaining shared state accessible by both components -> Option D
Quick Check:
Singleton service shares state across components [OK]

Quick Trick: Singleton services hold shared state [OK]

Common Mistakes:

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Why does using an Angular service enable two sibling components to share data effectively?