Learn Java from Scratch - A Beginner's Guide - Step 09 - Building REST API to Update a Course – PUT

This video tutorial explains how to update a course using PUT mapping. It begins with an introduction to the concept, followed by a detailed implementation of the PUT mapping method. The tutorial then demonstrates executing a PUT request to update course details and discusses improvements by adding path variables. Finally, it verifies the success of the update process, ensuring the course details are correctly modified.

Explain the difference between the POST and PUT methods as mentioned in the text.

What happens if the entity does not exist in the table when using the save method?

What is the purpose of the PUT mapping in the context of updating a course?

What should be included in the URL when performing a PUT request to update a specific resource?

Describe the process of updating a course based on the provided text.