how to use write a correct jsp useBeans

Question

What is the different between:

• putting jsp:setProperty inside jsp:useBean tag, and
• putting jsp:setProperty outside the jsp:useBean tag?

Some example code:

<jsp:useBean id="user" class="beans.User" scope="session" > 
</jsp:useBean>
<jsp:setProperty property="email" name="user" value="programmingtute.com"/>
<jsp:setProperty property="password" name="user" value="abcdf"/>

<jsp:useBean id="user" class="beans.User" scope="session" >
<jsp:setProperty property="email" name="user" value="programmingtute.com"/>
<jsp:setProperty property="password" name="user" value="abcdf"/>
</jsp:useBean>

Answer 1

1.<:jsp:setProperty> can appear is inside the body of a jsp:useBean element. In this case it executed only if a new object was instantiated, not if an existing one was found.
2.<:jsp:setProperty> can appear is outside and after a jsp:useBean element. In this case it executed on a new object or any found existing bean created earlier.