Suppose Submit's Property's Property's Property's Property's Property in lsit.jsp is the same string.
Public ActionerRors Validate (ActionMapping Mapping, httpservletRequest Request) {
System.out.println (">>>>>>>>" mapping.getParameter ()); // Take the value of Button's Property, and output
System.out.println ("" Request.getParameter (mapping.getParameter ())))); // Take the value value of Button and output.