[Solved] Which syntax correctly injects a service named StateService into a component constructor? — Ans: constructor(private stateService: StateService) {} | Angular

Angular - State Management

Which syntax correctly injects a service named StateService into a component constructor?

Aconstructor(private stateService: StateService) {}

Bconstructor(StateService private stateService) {}

Cconstructor(private StateService: stateService) {}

Dconstructor(stateService: StateService private) {}

Step-by-Step Solution

Solution:

Step 1: Recall Angular dependency injection syntax
Angular injects services via constructor parameters with access modifiers and type.
Step 2: Match correct parameter order and casing
The correct order is access modifier, parameter name, colon, then type.
Final Answer:
constructor(private stateService: StateService) {} -> Option A
Quick Check:
Correct DI syntax = private name: Type [OK]

Quick Trick: Use 'private name: Type' in constructor for DI [OK]

Common Mistakes:

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Which syntax correctly injects a service named StateService into a component constructor?