It is a good to know item. It is not mandatory or necessary. Basic knowledge of core Java is enough to learn JSP and Servlets.
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jsp means Java Server Pages.
JSP stands for Java Server Pages. It is the face of any web application. I.e., the stuff you see on a web page can be JSP contents. The JSP uses the features of both Java and HTML to display dynamic contents on a web page. It interacts with Servlets in a MVC architecture to provide the power to display dynamic and advanced data on any given web page.
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The main difference between ASP and JSP is that JSP is more script like and includes Java, whereas ASP does not. Both of these are server side languages.
SERVLETS JSP 1. Servlet is a java class. 2. Servlet is a single instance multiple thread web application, In which HTML code can be included in java code. 3. In servlets the presentation logic and the B.logic is tightly coupled. 4. For every modification done in servlet program, we need to recompile and reload the application. 5. In servlets implicit objects are not available. 6. Servlets are supported to HTTP, FTP, and SMTP protocols. 7. Sevlets are need Deployment Descriptor file (web.xml) 1. Jsp is a file. 2. In jsp java code can be included in HTML code by using special tags. 3. In jsp's the presentation logic and B.logic are separated by defining the java beans. 4. If any modifications done in jsp's without recompiling and reloading , the modifications are reflected. 5. In jsp's implicit objects are available which is we can implement directly into jsp pages. 6. Jsp are supported to HTTP protocol only. 7. No need of Deployment Descriptor file (web.xml) [email protected]