can we use bootstrap classes in react js code example

Example 1: add bootstrap to react

1.run following commnad in cmd:
npm install bootstrap --save

2.after install add this to index.js:
import 'bootstrap/dist/css/bootstrap.min.css';

Example 2: react import bootstrap css

{/* The following line can be included in your src/index.js or App.js file*/}

import 'bootstrap/dist/css/bootstrap.min.css';