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Angular Interview Questions and Answers: Part 16
Q183. What is the providers array in Angular? What is the difference between provide and provider properties in Angular? Q184. What are the different types of providers in Angular? Q185. What is a Class Provider in Angular DI System? What is the purpose of useClass in Angular? Q186. What is a Value Provider in Angular DI System? What is the difference between Value Provider vs. Factory Provider in Angular? Q187. What is a Factory Provider in Angular DI System? What is the use of deps array in the Factory Provider of Angular? Q188. What is an Aliased Provider in Angular DI System? What is the difference between useExisting vs. useClass in Angular? Q189. Can you add multiple providers for the same DI token in Angular? How can you use multiple providers with the same token in Angular? Q190. What is the difference between multi-provider and regular provider in Angular? Q191. What is the difference between StaticProvider vs. Provider in Angular? Q192. What is the difference between the providers array vs. deps array for registering services in Angular? Q193. What is the difference between the Providers Array and viewProviders Array in Angular?