[Resolvido]Erro incompatible type String cannot be converted to calendar

public void limparCampos() {
        txt_numero.setText("");
       txt_Fornecedor.setText("");
         jDateChooser3.setCalendar("");
        txt_cnpj.setText("");
        txt_nomeFant.setText("");
        txt_valorInicial.setText("");
        txtParcelas.setText("");
        cmb_forma.setSelectedItem("");
      

    }