Should one learn JSP and servlets before learning JSP?

Bear Bibeault, a well known developer and authors insists that one learn JSP and Servlets before learning ANY framework. Anyone care to show why that may or may not be applicable today?

What is the use of JSP in Java?

JSP Tutorial. JSP technology is used to create web application just like Servlet technology. It can be thought of as an extension to Servlet because it provides more functionality than servlet such as expression language, JSTL, etc. A JSP page consists of HTML tags and JSP tags.

Should I learn JSF or spring first?

You should really learn how java web applications work in essence, and then go for JSF. – user517491 Oct 14 ’11 at 16:50 7 comparing JSF to spring is not the first thing I’d do.

What is the lifecycle of a JSP page?

The Lifecycle of a JSP Page. The JSP pages follow these phases: Instantiation (Object of the Generated Servlet is created). Initialization ( the container invokes jspInit() method). Request processing ( the container invokes _jspService() method). Destroy ( the container invokes jspDestroy() method).

Is there any minimum space available for JSP/servlets?

So there is Very minimum space available for JSP/Servlets. Having said that, no learning goes in waste, So if you are interested in learning these, just give a try. I hope this helps. With frameworks like Spring Boot, it is still servlet which works under the hood.

Are servlets still relevant?

Servlets are definitely still relevant. They are still very common way to implement server-side business logic. JSP is another story. They encourage very tight coupling between presentation and server-side business logic.

Do I need to understand servlet in Java?

Almost all Java back-end (server side) frameworks use Java Servlet as the core technology and add layers on top of it. If you are framework developer, then you will need to understand it at some level. You most likely will not see them in raw form but will probably catch a glimpse of them on the configuration side.