JSP in java

• Java Server Pages is a java based web technology
• Jsp ia J2EE technology.
• JSP is a specification for web container manufacturers.
• JSP is an API.
• JSP is aweb component
• JSP is a dynamic web resource of a web application.
• JSP is web server side piece of code that extends functionality of web server.
• Jsp engine is a software written in java technology according to JSP specification.

General duties of JSP:

• Capturing user input
• communicating with DB
• Processing the data
• Producing the response

JSP API:

• Javax.ei
• javax.servlet.jsp
• javax.servlet.jsp.el
• javax.servlet.jsp.targext

Interfaces present in javax.servlet.jsp:

• HttpJspPage
• JspApplicationContext
• JspPage

  Classes present in javax.servlet.jsp:

• ErroeData
• JspContext
• JspEngineInfo
• JspFactory
• JspWriter
• PageContext

check below links for more details

1. Jsp life cycle
2. Jsp scripting elements
3. Jsp Directives
4. Jsp Implicit Objects
5. How to Run jsp program in eclipse using tomcat server