How to transfter data from one page to another one

Hi everybody,
I have got a page index.jsp which includes menswear button, chirldrenswear button and womenswear button, but user click one of them , it will go to another page called display.jsp to display all products information, if button mensware is clicked , it will display menswear, childrenswear clicked to display childrenswear. I
I want to do this way : >/display?ID=menswear< or id is integer
and in display.jsp, it will get ID and use it to get the menswear from database. But I dont know how to do in JSP, Thanks in advanced

Let's say for simplicity's sake, you have them as links on images...
<img src="mens.gif" border="0" alt="Menswear" />
<img src="womens.gif" border="0" alt="Womenswear" />
<img src="childrens.gif" border="0" alt="Childrenswear" />
Then in the display.jsp page, to read the ID:
String id = request.getParameter("ID");
or
int id = Integer.parseInt(request.getParameter("ID"));

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