boolean getBoolean(int columnIndex) throws SQLException
Retrieves the value of the designated column in the current row of this ResultSet object as a boolean in the Java programming language.
If the designated column has a datatype of CHAR or VARCHAR and contains a "0" or has a datatype of BIT, TINYINT, SMALLINT, INTEGER or BIGINT and contains a 0, a value of false is returned. If the designated column has a datatype of CHAR or VARCHAR and contains a "1" or has a datatype of BIT, TINYINT, SMALLINT, INTEGER or BIGINT and contains a 1, a value of true is returned.
the first column is 1, the second is 2, ...
the column value; if the value is SQL NULL, the value returned is false
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
For more information, reference JDBC documentation for: ResultSet.getBoolean(int)