why do you build class based components in react native code example

Example 1: react native class component

class Cat extends Component {
  render() {
    return <Text>Hello, I am your cat!</Text>;
  }
}

Example 2: how to create component in reactjs

class Car extends React.Component {
  render() {
    return <h2>Hi, I am a Car!</h2>;
  }
}