How to know if a field is null or zero, since resultset.getLong() or getInt() method always returns zero

Wed, 07 Aug 2013 06:50:30 +0000

I have a field called site_visitors in a table whose data type is number.

When i try to retrieve using below query, it returns zero though the field is empty.

Long siteVisitors=rs.getLong("site_visitors");

if I print,

System.out.println("siteVisitors:"+siteVisitors)

Outputs always 0.

My question, how to know if siteVisitors is empty or zero in table ?

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