Ll Gii wrote:one of the advantage using jsp is it can be conbime java and html.
why not.
No, that is a distinct
disadvantage and leads to a horrible horrible mess.
Modern JSP best practices dicate
no Java on JSP pages. If you are just leaning JSP, you should learn how to do it correctly, right off the bat.
You might want to read
this article and
this article.
Back to your question: what do you mean by "no change of the url when user click the linkage". If you cannot change the URL, you cannot accomplish your goal.