import { HttpClient } from '@angular/common/http'; import { Injectable } from '@angular/core'; import { Observable } from 'rxjs'; import { User } from '../models/user'; @Injectable({ providedIn: 'root', }) export class UserService { private url = 'http://localhost:8080/api'; constructor(private http: HttpClient) {} getUserList(): Observable> { return this.http.get(`${this.url}/users`); } getUserById(id: number): Observable { return this.http.get(`${this.url}/user/${id}`); } }