@Override
  public void update(Student updatedStudent) throws SQLException {
    PreparedStatement preparedStatement =
        connection.prepareStatement("UPDATE Student SET name=? WHERE id=?");
    preparedStatement.setString(1, updatedStudent.getName());
    preparedStatement.setInt(2, updatedStudent.getId());

    preparedStatement.executeUpdate();
  }
  @Override
  public void insert(Student student) throws SQLException {
    PreparedStatement preparedStatement =
        connection.prepareStatement("INSERT INTO Student (id,name) VALUES (?,?)");
    preparedStatement.setInt(1, student.getId());
    preparedStatement.setString(2, student.getName());

    preparedStatement.executeUpdate();
  }