Tomcat 4.11 doubt

i have three jsps which basically take 3 values and print it
getName.jsp

saveName.jsp

and nexPage.jsp

the java class is UserData.class

i've put the class in C:\Tomcat41\webapps\examples\WEB-INF\classes
when i run the jsp's i get the error when i press SUBMIT

org.apache.jasper.JasperException: Unable to compile class for JSP
An error occurred at line: 0 in the jsp file: /saveName.jsp
Generated servlet error:
    [javac] Compiling 1 source file
C:\Tomcat41\work\Standalone\localhost\examples\saveName_jsp.java:41: cannot resolve symbol
symbol  : class UserData  
location: class org.apache.jsp.saveName_jsp
      UserData user = null;
      ^
An error occurred at line: 0 in the jsp file: /saveName.jsp
Generated servlet error:
C:\Tomcat41\work\Standalone\localhost\examples\saveName_jsp.java:43: cannot resolve symbol
symbol  : class UserData  
location: class org.apache.jsp.saveName_jsp
        user = (UserData) pageContext.getAttribute("user", PageContext.SESSION_SCOPE);
                ^
An error occurred at line: 0 in the jsp file: /saveName.jsp
Generated servlet error:
C:\Tomcat41\work\Standalone\localhost\examples\saveName_jsp.java:46: cannot resolve symbol
symbol  : class UserData  
location: class org.apache.jsp.saveName_jsp
            user = (UserData) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "UserData");
                    ^
3 errors

i'm a beginner here, kindly help!

The class UserData needs to be in a package.

i've created a directory userdata and used package in the UserData.it still gives me the same error.

its works now, thanks