Duvidas para salvar um JCheckBox

public void adiciona(CadastroBean cadastroBean) throws SQLException
    {
       PreparedStatement stmt = this.connection.prepareStatement("insert into cadastro values (?,?,?,?,?,?,?,?)");
       stmt.setString(1, cadastroBean.getNome());
       stmt.setString(2, cadastroBean.getEndereco());
       stmt.setString(3, cadastroBean.getEmail());
       stmt.setString(4, cadastroBean.getFone());
       stmt.setString(5, cadastroBean.getEstado());
       stmt.setString(6, cadastroBean.getSexo());
      // AQUI TENTO COLOCAR OS CHECK BOX... 
       stmt.setString(8, cadastroBean.getBiografia());
              
       stmt.execute();
       stmt.close();     
    }