getObject(String columnLabel)
Syntax:
Object getObject(String columnLabel)
                 throws SQLException
                                        Description:
Retrieves the value of the designated column in the current row of this ResultSet object as an Object in the Java programming language. If the value is an SQL NULL, the driver returns a Java null. 
Parameters:
columnLabel
the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the label is the name of the column
Returns:
the column value; if the value is SQL NULL, the value returned is 0
Throws:
SQLException - if a database access error occurs, columnName is not a valid column label, or this method is called on a closed result set.
Reference:
For more information, reference JDBC documentation for: ResultSet.getObject(String)