ResultSet

[Paul Wallace]

Hi,
    For the brave, can anyone guess why with this rather unsociable code:


  if ((res.getString(3) == null) || (res.getString(3) == "")) {
       out.println("<td><a href=takeDetails.jsp?timeSlot=" +
res.getString(2) + "&myDate=" + myDate + ">" + res.getString(2) +
"</a></td>");
   }
  if ((res.getString(3) != null) || (res.getString(3) != "")) {
       out.println("<td>" + res.getString(3)+ " " + res.getString(2) +
"</td>");
   }


the first condition is NEVER satisfied, even though out.println of
res.getString(3) does not display anything! Ie res.getString(3) IS null,
empty or whatever, but the condition is never satisifed. Quickly again, this
is executed:


  if ((res.getString(3) != null) || (res.getString(3) != "")) {
       out.println("<td>" + res.getString(3)+ " " + res.getString(2) +
"</td>");
   }


even though - out.println("<td>" + res.getString(3)+ " " -  shows it is
empty (no output)!

Thanks

Paul.


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