nullinjectorerror no provider for httpclient nullinjectorerror r3injectorerror(appmodule) code example

Example 1: angular No provider for HttpClient

// open the root app.module.ts,
import { HttpClientModule } from '@angular/common/http';

// add it to the @NgModule.imports array.
imports:[HttpClientModule,  ]

Example 2: No provider for HttpClient!

import { HttpClientModule } from '@angular/common/http';