What is the difference between JSF, Servlet and JSP?

Question

I have some questions. These are :

1. How are JSP and Servlet related to each other?
2. Is JSP some kind of Servlet?
3. How are JSP and JSF related t

Answer 1

Java Server Pages (JSP) is java technology which enables Web developers and designers to rapidly develop and easily maintain, information-rich, dynamic Web pages that leverage existing business systems. JSP technology separates the user interface from content generation, enabling designers to change the overall page layout without altering the underlying dynamic content.

Facelets is the first non JSP page declaration language designed for JSF (Java Server Faces) which provided a simpler and more powerful programming model to JSF developers as compare to JSP. It resolves different issues occurs in JSP for web applications development.

Here is a table that compares the features of scriplets and facelets:

Source