This is by design, definitely. When your JSP page is translated to a
servlet, declarations are not local to methods, they're out in the body of
the class.
In other words, your code is analogous to this servlet (pseudocode):
public class StringServlet
{
// This is your declaration, executed only once.
String str = "";
public void doGet(request, response)
{
for (int i=1; i < 10; i++) { str = i +"<br>"+str; }
out.println("Before <B>JSP</B> Output <P>");
out.println(str);
out.println("<P> After <B>JSP</B> Output");
}
}
All you need to do is change your declaration to a scriptlet. In other
words:
<%! String str=""; %>
becomes:
<% String str=""; %>
Michael Prescott
-----Original Message-----
From: Dennis Huang [mailto:[EMAIL PROTECTED]]
Sent: 15 March 2000 05:30
To: [EMAIL PROTECTED]
Subject: Something strange
Hi:
I have a piece of code look like this:
<%! String str=""; %>
<% for (int i=1; i < 10; i++) { str = i +"<br>"+str; } %>
Before <B>JSP</B> Output <P>
<%= str %>
<P> After <B>JSP</B> Output
This works. The strange thing is each time I click on the Refresh, <%=str
%> outputs more and more repeated values(from 9 to 1). It seems <%! String
str=""; %> does not work from the second time I click on the Refresh button.
Do you know why? I am using Tomcat and IE5.
Thanks,
Regards,
Dennis Huang
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