what are functional component in react code example

Example 1: create functional component react

import React from 'react'; const App = () => {  const greeting = 'Hello Function Component!';   return ;}; const Headline = ({ value }) =>  
{value}
; export default App;

Example 2: react functional component example

function Greeting(props) {
  
  return 
 Hello, {props.name}! 
  
}