"react": "^17.0.2", "react-dom": "^17.0.2", "react-router-dom": "5.2.0",
This is my App.js file
import React from "react"
import Navbar from "./components/Navbar"
import Main from "./components/Main"
import Details from "./components/Details"
import { BrowserRouter as Switch, Router, Route, Link } from "react-router-dom"
export default function App() {
return (
<Router>
<div className="container">
<header>
<ul>
<li><Link to="/navbar">Navbar</Link></li>
<li><Link to="/main">Home</Link></li>
<li><Link to="/details">Details</Link></li>
</ul>
<div>
<Switch>
<Route exact path="/navbar" component={Navbar} />
<Route exact path="/main" component={Main}/>
<Route exact path="/details" component={Details}/>
</Switch>
</div>
</header>
</div>
</Router>
)
}