<% int examResult=0;
String []str=new String[5];
String []DA={"","A","B","D","B"};
%>
<%
for(int i=1;i<=4;i++)
{
String num=Integer.toString(i);
str[i]=request.getParameter(num);
if(str[i].equals(DA[i]))
examResult++;
}
%>