JavaFX TableView apparently receives the value but shows null

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package com;

import java.util.ArrayList;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.beans.property.SimpleStringProperty;

/**
 *
 * @author Ramon
 */
public class Veiculo {
  private final SimpleStringProperty Marca = new SimpleStringProperty();
  private final SimpleStringProperty Modelo = new SimpleStringProperty();
  private final SimpleStringProperty Cor = new SimpleStringProperty();
  private final SimpleStringProperty Placa = new SimpleStringProperty();
  private final SimpleIntegerProperty idveiculo = new SimpleIntegerProperty();
  private final ArrayList < Veiculo > listaVeiculo;
  public Veiculo(String Marca, String Modelo, String Cor, String Placa) {
    this.Marca.set(Marca);
    this.Modelo.set(Modelo);
    this.Cor.set(Cor);
    this.Placa.set(Placa);
    listaVeiculo = new ArrayList();
  }
  public String getMusica() {
    return Marca.get();
  }

  public String getAlbum() {
    return Modelo.get();
  }

  public String getArtista() {
    return Cor.get();
  }

  public String getGenero() {
    return Placa.get();
  }

  public int getClas() {
    return idveiculo.get();
  }

  public void setMusica(String Marca) {
    this.Marca.set(Marca);
  }

  public void setAlbum(String Modelo) {
    this.Modelo.set(Modelo);
  }

  public void setArtista(String Cor) {
    this.Cor.set(Cor);
  }

  public void setGenero(String Placa) {
    this.Placa.set(Placa);
  }

  public void setClas(int idveiculo) {
    this.idveiculo.set(idveiculo);
  }

  public void adM(Veiculo v) {
    listaVeiculo.add(v);
  }
}

/*
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 * and open the template in the editor.
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package com;

import java.net.URL;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ResourceBundle;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.beans.property.StringProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.*;
import javafx.scene.control.cell.PropertyValueFactory;

/**
 * FXML Controller class
 *
 * @author Ramon
 */
public class ExibirVeiculosDentroDaCasaController implements Initializable {@
  FXML private TableColumn clMarca;@
  FXML private TableColumn clModelo;@
  FXML private TableColumn clCor;@
  FXML private TableColumn clPlaca;@
  FXML private TableView < Veiculo > tbVeiculo;
  private ObservableList < Veiculo > listVeiculo;

  /**
   * Initializes the controller class.
   * @param url
   * @param rb
   */
  @
  Override
  public void initialize(URL url, ResourceBundle rb) {
    listVeiculo = FXCollections.observableArrayList();
    assert tbVeiculo != null: "fx:id=\"tableview\" was not injected: check your FXML file 'UserMaster.fxml'.";

    try {
      Class.forName("com.mysql.jdbc.Driver");
      Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/bdestacionamento?zeroDateTimeBehavior=convertToNull", "root", "");
      java.sql.Statement st = conn.createStatement();
      ResultSet rs = st.executeQuery("SELECT marca,modelo,cor,placa FROM veiculo,registro WHERE registro.status =1 and registro.veiculo_idveiculo=veiculo.idveiculo ;");
      while (rs.next()) {

        Veiculo v = new Veiculo("1", "2", "3", "4");
        v.setMusica(rs.getString("marca"));
        v.setAlbum(rs.getString("modelo"));
        v.setArtista(rs.getString("cor"));
        v.setGenero(rs.getString("placa"));

        System.out.println(rs.getString("marca"));
        System.out.println(rs.getString("modelo"));
        System.out.println(rs.getString("cor"));
        System.out.println(rs.getString("placa"));
        listVeiculo.add(v);
      }
      clMarca.setCellValueFactory(new PropertyValueFactory("Marca"));
      clModelo.setCellValueFactory(new PropertyValueFactory("Modelo"));
      clCor.setCellValueFactory(new PropertyValueFactory("Cor"));
      clPlaca.setCellValueFactory(new PropertyValueFactory("Placa"));
      tbVeiculo.setItems(null);// Ja pensei que poderia ser isso mas nao é
      tbVeiculo.setItems(listVeiculo);


    } catch (SQLException ex) {
      Logger.getLogger(ExibirVeiculosDentroDaCasaController.class.getName()).log(Level.SEVERE, null, ex);
    } catch (ClassNotFoundException ex) {
      Logger.getLogger(ExibirVeiculosDentroDaCasaController.class.getName()).log(Level.SEVERE, null, ex);
    }
  }@
  FXML private void btAction() {


  }
}