title: How to convert a JSON to java object and vice versa in spring controller?
body: <p>I want to create a simple Spring project that will serve as a RESTful service.</p>
  
  <p>I want to send JSON from frontend and want to convert it to a Java object using <code>@RequestBody</code>. After modifying the object in the backend, I need to convert that object back to JSON and send to front end. </p>
  
  <p>How can I achieve this?</p>