Following Java Web Application Tutorial https://www.journaldev.com/1854/java-web-application-tutorial-for-beginners
Video to create and run this project: https://youtu.be/b034EkZ5-oI
It’s good for a start but if the response is huge with a lot of dynamic data, it’s error-prone and hard to read and maintain. This is the primary reason for the introduction of JSPs.
JSP is also server-side technology and it’s like HTML with additional features to add dynamic content where we need it. JSPs are good for presentation because it’s easy to write because it’s like HTML. Here is our first JSP program that does the same thing as the above servlet.