Which of the following is the correct syntax to declare a generic Angular service class?

easy📝 Syntax Q12 of 15

Angular - TypeScript in Angular

Aexport class DataService<T> { }

Bexport class DataService<T extends> { }

Cexport class DataService<T>() { }

Dexport class DataService<T> => { }

Step-by-Step Solution

Solution:

Step 1: Recall the syntax for generic class declaration in TypeScript
The correct syntax uses angle brackets after the class name with a type parameter, like class ClassName<T>.
Step 2: Match the syntax to Angular service class
export class DataService { } correctly shows export class DataService<T> { }, which is valid for a generic service.
Final Answer:
export class DataService<T> { } -> Option A
Quick Check:
Generic class syntax = class Name<T> [OK]

Quick Trick: Generic classes use right after the class name [OK]

Common Mistakes:

Master "TypeScript in Angular" in Angular

9 interactive learning modes - each teaches the same concept differently

Want More Practice?

15+ quiz questions · All difficulty levels · Free

More Angular Quizzes