JDBC Code Template

PreparedStatement ps = null;
try{
    ps = con.prepareStatement(QUERY);
    int idx = 0;
    ps.setString(++idx, COL_1);
    ...
    ps.setString(++idx, COL_N);
    
    return ps.executeUpdate();

}catch(Exception e){
    throw new RuntimeSQLException(e, primaryKey);
}finally{
    if(ps != null){ try{ ps.close(); }catch(Exception ignored){  }
}

Connection con = null;
PrepareStatement ps = null;

try{
	ps = con.prepareStatement(QUERY);  
	int idx = 0;  
	ps.setString(++idx, COL_1);  
	...  
	ps.setString(++idx, COL_N);  

	int affectedRow = ps.executeUpdate();
	if(affectedRow != 1){
		throw new RuntimeSQLException(" expected : 1, result : " + affectedRow
			, primaryKey); //=-=> 정형화...
	}
	con.commit();
}catch(Exception e){
	con.rollback();
	throw new RuntimeSQLException(e, primaryKey);
}finally{
    if(ps != null){ try{ ps.close(); }catch(Exception ignored){  }
    if(con != null){ try{ con.close(); }catch(Exception ignored){  }
}