Popular JTable

String consulta = this.txtConsulta.getText();
    Connection conn = Conexao.getInstance().getConnection();
        try {
            String sql = "SELECT Codigo,RazaoSocial,Telefone,Fax FROM EMPRESA WHERE RAZAOSOCIAL LIKE ?";
            PreparedStatement sta = conn.prepareStatement(sql);
            sta.setString(1, "%" + consulta + "%");
            ResultSet rs = sta.executeQuery();
            while (rs.next()) {
                Empresa emp = new Empresa();
                jtTabela.setValueAt(rs.getInt(1),0,100);
                jtTabela.setValueAt(rs.getInt(2), 101, 200);
                jtTabela.setValueAt(rs.getInt(3), 201, 300);
                jtTabela.setValueAt(rs.getInt(4), 301, 400);
            }
            rs.close();
            sta.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }