React class vs hooks

react-class-vs-hooks.js

class Example extends React.Component {
  contructor(props) {
    super(props);
  }
  componentDidMount() {
    console.log("component has been mounted");
  }
  componentDidUpdate() {
    console.log("component has been updated");
  }
  componentWillUnmount() {
    console.log("component is about to unmount");
  }
}

const Example = (props) => {
  React.useEffect(() => {
    console.log("component has been mounted");
    return () => {
      console.log("component is about to unmount");
    };
  });
  React.useEffect(() => {
    console.log("component has been updated");
  }, [props]);
};