'Statement stat=con.createStatement();
ResultSet res=stat.executeQuery("select SUM(ne) from expenditure1 where headid=H1");
while(res.next())
{
A_n = res.getInt(1);
}'
I'm querying the data like this so does this mean i have to write the set of statements given above for all 20 heads. What is the correct method of doing this please somebody explain me.
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