for(int i=1;i<=n;i++){
out.print("<tr>");
string number=rs.getstring(1);
out.print("<td>"+number+"</td>");
string name=rs.getstring(2);
out.print("<td>"+name+"</td>");
int math=rs.getint(3);
out.print("<td>"+math+"</td>");
int english=rs.getint(4);
out.print("<td>"+english+"</td>");