Advanced Java Programming - Old Questions

10. What is JSP? Discuss with suitable example.

Java Server Pages (JSP) is server side technology to create dynamic java web application. It allows java programming code to be embedded in the HTML pages.

• Scripting elements are used to provide dynamic pages.
• JSP simply puts Java inside HTML pages.

JSP provides the following scripting elements:

1. JSP Comments:

Syntax:

      <%-- comments --%>

2. JSP Scriplet: A scriptlet tag is used to execute java source code in JSP.

Syntax:

      <% java source code; %> 

3. JSP Expression:

JSP expression can be used to insert a single java expression directly into the response message. This expression will be place inside a out.print() method.

Syntax:

      <%= Java Expression %>

4. JSP Declaration: JSP declaration tag is used to declare variables and methods.

Syntax:

      <%! Variable or method declaration %>

Example