jdbc.java

@Override
    public boolean add(FoodItem f) {
        String query = "INSERT INTO Foods (food_name, serving_size, unit) "
                + "VALUES (?, ?, ?)";
        try (Connection connection = getConnection();
                PreparedStatement ps = connection.prepareStatement(query)){
            ps.setString(2, f.getServingSize());
            ps.setString(3, f.getUnit());
            return true;
        }catch (SQLException e){
            System.err.println(e);
            return false;
        }
    }