getDouble(int columnIndex)

Syntax:

double getDouble(int columnIndex)
                 throws SQLException

Description:

Retrieves the value of the designated column in the current row of this ResultSet object as a double in the Java programming language.

Parameters:

columnIndex

the first column is 1, the second is 2, ...

Returns:

the column value; if the value is SQL NULL, the value returned is 0

Throws:

SQLException - if a database access error occurs, columnIndex is less than 1 or greater than the number of columns, or this method is called on a closed result set

Reference:

For more information, reference JDBC documentation for: ResultSet.getDouble(int)