dificuldade: Pegar o registro no banco de dados e jogar dentro de uma jtextfield...

Esse é o jinternal no qual eu quero pegar um registro no banco de dados
e apresenta_lo jtextfield, o nome da class é txtAcen55g.
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package br.com.inbras.telas;

import java.awt.EventQueue;

import javax.swing.JDesktopPane;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;

import java.awt.Font;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

import javax.swing.SwingConstants;
import javax.swing.table.TableModel;
import javax.swing.JTextField;

import br.com.inbras.dal.ModuloConexao;
import net.proteanit.sql.DbUtils;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class Acendedores extends JInternalFrame {

	public static JTextField txtAcen55g;
	private JTextField txtAcen200g;
	private JTextField txtAcen210g;
	private JTextField txtAcen452g;

	Connection conexao = null;
	PreparedStatement pst = null;
	ResultSet rs = null;

	/**
 * Launch the application.
 */
	public static void main(String[] args) {
 EventQueue.invokeLater(new Runnable() {
 public void run() {
 try {
 Acendedores frame = new Acendedores();
 frame.setVisible(true);
 } catch (Exception e) {
 e.printStackTrace();
 }
 }
 });
	}

	/**
 * Create the frame.
 */
	public Acendedores() {

 conexao = ModuloConexao.conector();

 setTitle("Estoque Acendedores");
 setClosable(true);
 setMaximizable(true);
 setIconifiable(true);
 setBounds(0, 0, 640, 417);
 getContentPane().setLayout(null);

 JLabel lblAcendedores = new JLabel("Estoque Atual");
 lblAcendedores.setHorizontalAlignment(SwingConstants.CENTER);
 lblAcendedores.setFont(new Font("Vivaldi", Font.BOLD, 30));
 lblAcendedores.setBounds(209, 21, 193, 43);
 getContentPane().add(lblAcendedores);

 JLabel lblAcendedoresg = new JLabel("Acendedores 55g");
 lblAcendedoresg.setFont(new Font("Tahoma", Font.BOLD, 15));
 lblAcendedoresg.setBounds(155, 126, 134, 21);
 getContentPane().add(lblAcendedoresg);

 JLabel lblAcendedoresg_1 = new JLabel("Acendedores 200g");
 lblAcendedoresg_1.setFont(new Font("Tahoma", Font.BOLD, 15));
 lblAcendedoresg_1.setBounds(155, 158, 151, 21);
 getContentPane().add(lblAcendedoresg_1);

 JLabel lblAcendedoresg_2 = new JLabel("Acendedores 210g");
 lblAcendedoresg_2.setFont(new Font("Tahoma", Font.BOLD, 15));
 lblAcendedoresg_2.setBounds(155, 190, 151, 26);
 getContentPane().add(lblAcendedoresg_2);

 JLabel lblAcendedoresg_3 = new JLabel("Acendedores 425g");
 lblAcendedoresg_3.setFont(new Font("Tahoma", Font.BOLD, 15));
 lblAcendedoresg_3.setBounds(155, 227, 151, 17);
 getContentPane().add(lblAcendedoresg_3);

 txtAcen55g = new JTextField();
 txtAcen55g.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent arg0) {
 acendedor();
 }
 });
 txtAcen55g.setBounds(316, 128, 86, 20);
 getContentPane().add(txtAcen55g);
 txtAcen55g.setColumns(10);

 txtAcen200g = new JTextField();
 txtAcen200g.setColumns(10);
 txtAcen200g.setBounds(316, 160, 86, 20);
 getContentPane().add(txtAcen200g);

 txtAcen210g = new JTextField();
 txtAcen210g.setColumns(10);
 txtAcen210g.setBounds(316, 193, 86, 20);
 getContentPane().add(txtAcen210g);

 txtAcen452g = new JTextField();
 txtAcen452g.setColumns(10);
 txtAcen452g.setBounds(316, 225, 86, 20);
 getContentPane().add(txtAcen452g);

	}

	public void acendedor() {
 String sql = "select * from tb_recebimento where qtd_fardo_mat";
 try {
 pst = conexao.prepareStatement(sql);
 // passando o conteudo da caixa de pesquisa o ?
 // atenção ao "%" - continuação da string sql
 pst.setString(7, txtAcen55g.getText());

 rs = pst.executeQuery();

 if(rs.next()) {
 txtAcen55g.setText(rs.getString(7));
 System.out.println("teste");
 }
 } catch (Exception e) {
 JOptionPane.showInputDialog(e);
 }
	}
}

//essa á tela quero mostra o resultado do banco de dados

Essa é tela que os estao que quando eu clicar no botao abri essa outra tela ja com o resultado do banco de dados
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package br.com.inbras.telas;

import java.awt.EventQueue;

import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.SwingConstants;
import java.awt.Color;
import javax.swing.JTextField;
import java.awt.Font;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

import br.com.inbras.dal.ModuloConexao;
import javax.swing.JButton;
import javax.swing.JDesktopPane;

import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JSpinner;
import javax.swing.JTree;

import br.com.inbras.telas.TelaPrincipal;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

public class TelaEstatistica extends JInternalFrame {

	private JButton btnAcendedores;

	Connection conexao = null;
	PreparedStatement pst = null;
	ResultSet rs = null;

	/**
 * Launch the application.
 */
	public static void main(String[] args) {
 EventQueue.invokeLater(new Runnable() {
 public void run() {
 try {
 TelaEstatistica frame = new TelaEstatistica();
 frame.setVisible(true);
 } catch (Exception e) {
 e.printStackTrace();
 }
 }
 });
	}
// JDesktopPane desktop;

// public TelaEstatistica(JDesktopPane desktop) { // // this.desktop = desktop; // } /** * Create the frame. */ public TelaEstatistica() {

 setTitle("Controle de Estoque");
 setClosable(true);
 setMaximizable(true);
 setIconifiable(true);

 conexao = ModuloConexao.conector();

 setBounds(0, 0, 640, 417);
 getContentPane().setLayout(null);

 JLabel lblEstastitca = new JLabel("Controle de Estoque Mat\u00E9ria Prima");
 lblEstastitca.setBackground(new Color(210, 105, 30));
 lblEstastitca.setForeground(new Color(210, 105, 30));
 lblEstastitca.setFont(new Font("Vivaldi", Font.BOLD, 40));
 lblEstastitca.setHorizontalAlignment(SwingConstants.CENTER);
 lblEstastitca.setBounds(10, 0, 604, 49);
 getContentPane().add(lblEstastitca);

 btnAcendedores = new JButton("Acendedores");
 btnAcendedores.addActionListener(new ActionListener() {

 public void actionPerformed(ActionEvent e) {
 String sql = "select qtd_fardo_mat from tb_recebimento";
 try {
 Acendedores a = new Acendedores();
 getParent().add(a);
 a.setVisible(true);

 } catch (Exception e2) {
 // TODO: handle exception
 }

 }
 });

 btnAcendedores.setFont(new Font("Tahoma", Font.BOLD, 14));
 btnAcendedores.setBounds(21, 89, 143, 41);
 getContentPane().add(btnAcendedores);

 JButton btnInstitucional = new JButton("Institucional");
 btnInstitucional.setFont(new Font("Tahoma", Font.BOLD, 14));
 btnInstitucional.setBounds(21, 233, 123, 41);
 getContentPane().add(btnInstitucional);

 JButton btnMultiuso = new JButton("Multiuso");
 btnMultiuso.setFont(new Font("Tahoma", Font.BOLD, 14));
 btnMultiuso.setBounds(452, 233, 123, 41);
 getContentPane().add(btnMultiuso);

 JButton btnQuerosene = new JButton("Querosene");
 btnQuerosene.setFont(new Font("Tahoma", Font.BOLD, 14));
 btnQuerosene.setBounds(319, 233, 123, 41);
 getContentPane().add(btnQuerosene);

 JButton btnRemovedores = new JButton("Alcool Gel Antisseptico 70\u00B0");
 btnRemovedores.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent e) {
 Antisseptico a = new Antisseptico();
 getParent().add(a);
 a.setVisible(true);
 }
 });
 btnRemovedores.setFont(new Font("Tahoma", Font.BOLD, 14));
 btnRemovedores.setBounds(350, 89, 225, 41);
 getContentPane().add(btnRemovedores);

 JButton btnAlcoolGel = new JButton("Alcool Gel 46,2\u00B0");
 btnAlcoolGel.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent arg0) {
 }
 });
 btnAlcoolGel.setFont(new Font("Tahoma", Font.BOLD, 14));
 btnAlcoolGel.setBounds(350, 159, 225, 41);
 getContentPane().add(btnAlcoolGel);

 JButton btnAlcoolGel_1 = new JButton("Alcool Gel 70\u00B0");
 btnAlcoolGel_1.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent e) {
 TelaAlcoolGel70 alcoolgel = new TelaAlcoolGel70();
 getParent().add(alcoolgel);
 alcoolgel.setVisible(true);
 }
 });
 btnAlcoolGel_1.setFont(new Font("Tahoma", Font.BOLD, 14));
 btnAlcoolGel_1.setBounds(174, 89, 166, 41);
 getContentPane().add(btnAlcoolGel_1);

 JButton btnAlcoolLiquido = new JButton("Alcool Liquido 46,2\u00B0");
 btnAlcoolLiquido.setFont(new Font("Tahoma", Font.BOLD, 14));
 btnAlcoolLiquido.setBounds(174, 159, 166, 41);
 getContentPane().add(btnAlcoolLiquido);

 JButton btnRemovedor = new JButton("Removedor");
 btnRemovedor.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent arg0) {
 }
 });
 btnRemovedor.setFont(new Font("Tahoma", Font.BOLD, 14));
 btnRemovedor.setBounds(174, 233, 123, 41);
 getContentPane().add(btnRemovedor);

 JButton btnAlcoolGel_2 = new JButton("Alcool Gel");
 btnAlcoolGel_2.setFont(new Font("Tahoma", Font.BOLD, 14));
 btnAlcoolGel_2.setBounds(21, 159, 143, 41);
 getContentPane().add(btnAlcoolGel_2);

 JButton btnSabonetes = new JButton("Sabonetes");
 btnSabonetes.setFont(new Font("Tahoma", Font.BOLD, 14));
 btnSabonetes.setBounds(21, 300, 123, 41);
 getContentPane().add(btnSabonetes);

 if (btnAcendedores.getText().equals("Acendedores")) {

 Acendedores a = new Acendedores();
 } else {

 }
}

como que eu faço desde de jah agradeço...