Finanças test....

finanças_core_Core.java

package finanças.core;

import finanças.Gui;

import java.util.ArrayList;

/**
 * Created by lucas on 01/10/16.
 */
public class Core {

    private Gui gui;

    private ArrayList<Financa> financas;

    public Core(Gui gui){
        this.gui = gui;
        init();
    }

    private void init(){
        financas = new ArrayList<>();

        eventosBotoes();

        eventosMenus();

        java.awt.EventQueue.invokeLater(() -> gui.setVisible(true));
    }

    private void incluirFinanca(Financa financa){
        financas.add(financa);
    }

    private Financa getFinancaFromGui(){
        double valor = Double.parseDouble(gui.getPriceFin().getText());

        String titulo = gui.getTittleFin().getText();

        String descricao = gui.getDetailsFin().getText();

        int importancia = gui.getPrioritySpin().getValue().hashCode();

        if (importancia < 0){

            importancia = 0;
        }

        if (importancia > 5){

            importancia = 5;
        }

        return new Financa(valor, titulo, descricao, importancia);
    }

    private void eventosBotoes(){
        gui.getNewFin().addActionListener(e -> {

            gui.getPriceFin().setText("");

            gui.getPriceFin().setEnabled(true);

            gui.getTittleFin().setText("");

            gui.getTittleFin().setEnabled(true);

            gui.getDetailsFin().setText("");

            gui.getDetailsFin().setEnabled(true);

            gui.getPrioritySpin().setValue(0);

            gui.getPrioritySpin().setEnabled(true);

            gui.getInsertFin().setEnabled(true);

            gui.getCancel().setEnabled(true);
        });

        gui.getCancel().addActionListener(e -> {
            gui.getPriceFin().setText("");

            gui.getPriceFin().setEnabled(false);

            gui.getTittleFin().setText("");

            gui.getTittleFin().setEnabled(false)
            ;
            gui.getDetailsFin().setText("");

            gui.getDetailsFin().setEnabled(false);

            gui.getPrioritySpin().setValue(0);

            gui.getPrioritySpin().setEnabled(false);

            gui.getInsertFin().setEnabled(false);

            gui.getCancel().setEnabled(false);
        });

        gui.getInsertFin().addActionListener(e -> {
            incluirFinanca(getFinancaFromGui());

            atualizarLista(financasAsArray());
        });
    }

    private void eventosMenus(){
        gui.getSairMenu().addActionListener(e -> System.exit(0));

        gui.getSalvarEmArquivo().addActionListener(e -> new SalvarComo(financas, "kk").salvar());

        gui.getImportarArquivo().addActionListener(e -> {
            financas.clear();
            financas = new ImportarArquivo("kk1.txt").getFinancas();
            atualizarLista(financasAsArray());
        });
    }

    private void atualizarLista(String[] elementos){
        gui.getFinsList().setModel(new javax.swing.AbstractListModel() {

            String[] strings = elementos;

            public int getSize() {

                return strings.length;
            }

            public Object getElementAt(int i) {

                return strings[i];
            }
        });
    }

    private String[] financasAsArray(){
        String[] r = new String[financas.size()];

        for (int i = 0; i < r.length; i++){

            r[i] = (i + 1) + financas.get(i).toString();
        }

        return r;
    }
}

finanças_core_Financa.java

package finanças.core;

/**
 * Created by lucas on 01/10/16.
 */
public class Financa {

    private double valor;
    private String titulo, descricao;
    private int importancia;

    public Financa(double valor, String titulo, String descricao, int importancia){
        this.valor = valor;
        this.titulo = titulo;
        this.descricao = descricao;
        this.importancia = importancia;
    }

    public String completa(){
        return "[valor]" + valor + "[valor] [titulo]" + titulo + " [titulo](" + importancia + ")" + "\n" + descricao + ";";
    }

    public double getValor() {
        return valor;
    }

    public String getTitulo() {
        return titulo;
    }

    public String getDescricao() {
        return descricao;
    }

    public int getImportancia() {
        return importancia;
    }

    @Override
    public String toString() {
        return "(" + valor + ") - " + titulo + " - (" + importancia + ")";
    }
}

finanças_core_ImportarArquivo.java

package finanças.core;

import javax.swing.*;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;

/**
 * Created by lucas on 01/10/16.
 */
public class ImportarArquivo {

    private String nome;

    public ImportarArquivo(String nome){
        this.nome = nome;
    }

    public ArrayList<Financa> getFinancas(){

        ArrayList<Financa> r = new ArrayList<>();

        try{
            FileInputStream arquivo = new FileInputStream(nome);
            InputStreamReader inputStreamReader = new InputStreamReader(arquivo);
            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);

            for (double x : getValores(arquivo, inputStreamReader, bufferedReader)){
                r.add(new Financa(x, null, null, 0));
            }

            bufferedReader.close();
            inputStreamReader.close();
            arquivo.close();

            JOptionPane.showMessageDialog(null, "Finanças importadas com sucesso!!!");

        } catch (Exception e){
            JOptionPane.showMessageDialog(null, "DEU ERRO!!!!!!!!!!!!");
        }

        return r;
    }

    private String[] itens(FileInputStream arquivo, InputStreamReader inputStreamReader, BufferedReader bufferedReader) throws IOException {
        String aux;

        do {
            aux = bufferedReader.readLine();
            System.out.println(aux);
        } while (aux != null);
        return aux.split(";");
    }

    private double[] getValores(FileInputStream arquivo, InputStreamReader inputStreamReader, BufferedReader bufferedReader) throws IOException {
        String aux = "";
        ArrayList<String> linesList = new ArrayList<>();

        do {
            linesList.add(bufferedReader.readLine());
        } while (bufferedReader.readLine() != null);

        for (String x : linesList){
            aux += x;
        }

        String[] aux2 = aux.split(";");
        double[] r = new double[aux2.length];

        for (int i = 0; i < r.length; i++){
            r[i] = Double.parseDouble(aux2[i]);
        }
        return r;
    }
}

finanças_core_SalvarComo.java

package finanças.core;

import javax.swing.*;
import java.io.FileOutputStream;
import java.io.PrintWriter;
import java.util.ArrayList;

/**
 * Created by lucas on 01/10/16.
 */
public class SalvarComo {

    private ArrayList<Financa> financas;
    private String nome;

    public SalvarComo(ArrayList<Financa> financas, String nome){
        this.financas = financas;

        this.nome = nome;
    }

    public void salvar(){
        try {
            FileOutputStream valoresFile = new FileOutputStream(nome + 1 + ".txt");
            PrintWriter valoresWriter = new PrintWriter(valoresFile);

            FileOutputStream titulosFile = new FileOutputStream(nome + 2 + ".txt");
            PrintWriter titulosWriter = new PrintWriter(titulosFile);

            FileOutputStream descricaoFile = new FileOutputStream(nome + 3 + ".txt");
            PrintWriter descricoesWriter = new PrintWriter(descricaoFile);

            FileOutputStream importanciaFile = new FileOutputStream(nome + 4 + ".txt");
            PrintWriter importanciasWriter = new PrintWriter(importanciaFile);

            for (double x : getValores()){
                valoresWriter.println(x + ";");
            }

            for (String x : getTitulos()){
                titulosWriter.println(x + ";");
            }

            for (String x : getDescricoes()){
                descricoesWriter.println(x + ";");
            }

            for (int x : getImportancias()){
                importanciasWriter.println(x + ";");
            }

            valoresWriter.close();
            valoresFile.close();

            titulosWriter.close();
            titulosFile.close();

            descricoesWriter.close();
            descricaoFile.close();

            importanciasWriter.close();
            importanciaFile.close();

            JOptionPane.showMessageDialog(null, "Arquivo Gravado!");
        } catch (Exception e){
            JOptionPane.showMessageDialog(null, "Ocorreu um erro e o arquivo não foi gravado.");
        }
    }

    private String[] financasAsArray(){
        String[] r = new String[financas.size()];

        for (int i = 0; i < r.length; i++){

            r[i] = financas.get(i).completa();
        }

        return r;
    }

    private double[] getValores(){
        double[] r = new double[financas.size()];

        for (int i = 0; i < r.length; i++){

            r[i] = financas.get(i).getValor();
        }

        return r;
    }

    private String[] getTitulos(){
        String[] r = new String[financas.size()];

        for (int i = 0; i < r.length; i++){

            r[i] = financas.get(i).getTitulo();
        }

        return r;
    }

    private String[] getDescricoes(){
        String[] r = new String[financas.size()];

        for (int i = 0; i < r.length; i++){

            r[i] = financas.get(i).getDescricao();
        }

        return r;
    }

    private int[] getImportancias(){
        int[] r = new int[financas.size()];

        for (int i = 0; i < r.length; i++){

            r[i] = financas.get(i).getImportancia();
        }

        return r;
    }
}

finanças_Gui.java

package finanças;

import javax.swing.*;

/**
 *
 * @author lucas
 */
public class Gui extends javax.swing.JFrame {

    /**
     * Creates new form Gui
     */
    public Gui() {
        initComponents();

        getPriceFin().setText("");
        getPriceFin().setEnabled(false);
        getTittleFin().setText("");
        getTittleFin().setEnabled(false);
        getDetailsFin().setText("");
        getDetailsFin().setEnabled(false);
        getPrioritySpin().setValue(0);
        getPrioritySpin().setEnabled(false);
        getInsertFin().setEnabled(false);
        getCancel().setEnabled(false);
    }

    @SuppressWarnings("unchecked")
    private void initComponents() {

        jMenuItem4 = new javax.swing.JMenuItem();
        jPanel1 = new javax.swing.JPanel();
        reduceFin = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        finsList = new javax.swing.JList();
        incrementFin = new javax.swing.JButton();
        delFin = new javax.swing.JButton();
        newFin = new javax.swing.JButton();
        lookFin = new javax.swing.JButton();
        jPanel2 = new javax.swing.JPanel();
        insertFin = new javax.swing.JButton();
        cancel = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();
        prioritySpin = new javax.swing.JSpinner();
        jLabel2 = new javax.swing.JLabel();
        priceFin = new javax.swing.JTextField();
        scrollPane = new javax.swing.JScrollPane();
        detailsFin = new javax.swing.JTextArea();
        jLabel4 = new javax.swing.JLabel();
        tittleFin = new javax.swing.JTextField();
        jSeparator2 = new javax.swing.JSeparator();
        log = new javax.swing.JLabel();
        jMenuBar1 = new javax.swing.JMenuBar();
        jMenu1 = new javax.swing.JMenu();
        salvarEmArquivo = new javax.swing.JMenuItem();
        exportarKkkk = new javax.swing.JMenuItem();
        importarArquivo = new javax.swing.JMenuItem();
        balancoMenu = new javax.swing.JMenuItem();
        sairMenu = new javax.swing.JMenuItem();
        jSeparator1 = new javax.swing.JPopupMenu.Separator();
        editMenu = new javax.swing.JMenu();
        editarValorInicialMenu = new javax.swing.JMenuItem();

        jMenuItem4.setText("jMenuItem4");

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jPanel1.setBorder(javax.swing.BorderFactory.createEtchedBorder());

        reduceFin.setBackground(new java.awt.Color(222, 222, 35));
        reduceFin.setText("<html>Reduzir<br />Importância");
        reduceFin.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);

        finsList.setBorder(javax.swing.BorderFactory.createTitledBorder("Finanças Salvas"));
        finsList.setModel(new javax.swing.AbstractListModel() {
            String[] strings = { "[vazio]" };
            public int getSize() { return strings.length; }
            public Object getElementAt(int i) { return strings[i]; }
        });
        jScrollPane1.setViewportView(finsList);

        incrementFin.setBackground(new java.awt.Color(26, 109, 192));
        incrementFin.setText("<html>Incrementar<br />Importância");

        delFin.setBackground(new java.awt.Color(255, 12, 0));
        delFin.setText("<html>Remover<br />Finança");

        newFin.setBackground(new java.awt.Color(237, 144, 65));
        newFin.setText("<html>Nova<br /> Finança");
        newFin.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);

        lookFin.setText("<html>Ver<br/>Detalhes");

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
                jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel1Layout.createSequentialGroup()
                                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 270, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                        .addComponent(incrementFin)
                                        .addComponent(newFin)
                                        .addComponent(reduceFin)
                                        .addComponent(delFin)
                                        .addComponent(lookFin))
                                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        jPanel1Layout.setVerticalGroup(
                jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel1Layout.createSequentialGroup()
                                .addContainerGap()
                                .addComponent(newFin, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(37, 37, 37)
                                .addComponent(delFin, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 39, Short.MAX_VALUE)
                                .addComponent(incrementFin, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(34, 34, 34)
                                .addComponent(reduceFin, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(33, 33, 33)
                                .addComponent(lookFin, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addContainerGap())
                        .addComponent(jScrollPane1)
        );

        jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder("Nova finança"));

        insertFin.setBackground(new java.awt.Color(51, 206, 106));
        insertFin.setText("Incluir");

        cancel.setBackground(java.awt.Color.red);
        cancel.setText("Cancelar");

        jLabel1.setText("Importância:");

        jLabel2.setText("Gasto:");

        priceFin.setText("R$ 0,00");

        scrollPane.setBorder(javax.swing.BorderFactory.createTitledBorder("Descrição"));

        detailsFin.setColumns(20);
        detailsFin.setRows(5);
        scrollPane.setViewportView(detailsFin);

        jLabel4.setText("Título:");

        javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
                jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(scrollPane)
                        .addGroup(jPanel2Layout.createSequentialGroup()
                                .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addGroup(jPanel2Layout.createSequentialGroup()
                                                .addComponent(jLabel2)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(priceFin))
                                        .addGroup(jPanel2Layout.createSequentialGroup()
                                                .addComponent(insertFin, javax.swing.GroupLayout.PREFERRED_SIZE, 136, javax.swing.GroupLayout.PREFERRED_SIZE)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(cancel, javax.swing.GroupLayout.DEFAULT_SIZE, 124, Short.MAX_VALUE)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(jLabel1)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(prioritySpin, javax.swing.GroupLayout.PREFERRED_SIZE, 52, javax.swing.GroupLayout.PREFERRED_SIZE))
                                        .addGroup(jPanel2Layout.createSequentialGroup()
                                                .addComponent(jLabel4)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(tittleFin)))
                                .addContainerGap())
        );
        jPanel2Layout.setVerticalGroup(
                jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel2Layout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(jLabel4)
                                        .addComponent(tittleFin, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(jLabel2)
                                        .addComponent(priceFin, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                .addComponent(scrollPane)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(insertFin)
                                        .addComponent(cancel)
                                        .addComponent(jLabel1)
                                        .addComponent(prioritySpin, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addContainerGap())
        );

        log.setFont(new java.awt.Font("Ubuntu", 1, 12)); // NOI18N
        log.setText("Log.");

        jMenu1.setText("Arquivo");

        salvarEmArquivo.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_S, java.awt.event.InputEvent.CTRL_MASK));
        salvarEmArquivo.setText("Salvar finanças");
        jMenu1.add(salvarEmArquivo);

        exportarKkkk.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_E, java.awt.event.InputEvent.CTRL_MASK));
        exportarKkkk.setText("Exportar finanças");
        jMenu1.add(exportarKkkk);

        importarArquivo.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_I, java.awt.event.InputEvent.CTRL_MASK));
        importarArquivo.setText("Importar finanças");
        jMenu1.add(importarArquivo);

        balancoMenu.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_B, java.awt.event.InputEvent.CTRL_MASK));
        balancoMenu.setText("Obter balanço");
        jMenu1.add(balancoMenu);

        sairMenu.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_Q, java.awt.event.InputEvent.CTRL_MASK));
        sairMenu.setText("Sair");
        jMenu1.add(sairMenu);
        jMenu1.add(jSeparator1);

        jMenuBar1.add(jMenu1);

        editMenu.setText("Editar");

        editarValorInicialMenu.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_D, java.awt.event.InputEvent.CTRL_MASK));
        editarValorInicialMenu.setText("Definir dinheiro total");
        editMenu.add(editarValorInicialMenu);

        jMenuBar1.add(editMenu);

        setJMenuBar(jMenuBar1);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, 386, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                        .addComponent(jSeparator2)
                        .addComponent(log, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                        .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                        .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jSeparator2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(log)
                                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>                        

/*
    public static void main(String args[]) {
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(Gui.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Gui.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Gui.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Gui.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }

        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Gui().setVisible(true);
            }
        });
    }
*/

    public JButton getCancel() {
        return cancel;
    }

    public JMenu getEditMenu() {
        return editMenu;
    }

    public JButton getDelFin() {
        return delFin;
    }

    public JMenuItem getSalvarEmArquivo() {
        return salvarEmArquivo;
    }

    public JList getFinsList() {
        return finsList;
    }

    public JMenuItem getBalancoMenu() {
        return balancoMenu;
    }

    public JMenuItem getExportarKkkk() {
        return exportarKkkk;
    }

    public JButton getIncrementFin() {
        return incrementFin;
    }

    public JButton getInsertFin() {
        return insertFin;
    }

    public JLabel getLog() {
        return log;
    }

    public JButton getLookFin() {
        return lookFin;
    }

    public JButton getNewFin() {
        return newFin;
    }

    public JTextField getPriceFin() {
        return priceFin;
    }

    public JSpinner getPrioritySpin() {
        return prioritySpin;
    }

    public JMenuItem getSairMenu() {
        return sairMenu;
    }

    public JButton getReduceFin() {
        return reduceFin;
    }

    public JTextField getTittleFin() {
        return tittleFin;
    }

    public JTextArea getDetailsFin() {
        return detailsFin;
    }

    public JMenuItem getImportarArquivo() {
        return importarArquivo;
    }

    // Variables declaration - do not modify
    private javax.swing.JButton cancel;
    private javax.swing.JMenu editMenu;
    private javax.swing.JButton delFin;
    private javax.swing.JScrollPane scrollPane;
    private javax.swing.JMenuItem salvarEmArquivo;
    private javax.swing.JList finsList;
    private javax.swing.JMenuItem balancoMenu;
    private javax.swing.JMenuItem exportarKkkk;
    private javax.swing.JButton incrementFin;
    private javax.swing.JButton insertFin;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JMenu jMenu1;
    private javax.swing.JMenuBar jMenuBar1;
    private javax.swing.JMenuItem importarArquivo;
    private javax.swing.JMenuItem jMenuItem4;
    private javax.swing.JMenuItem editarValorInicialMenu;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JPopupMenu.Separator jSeparator1;
    private javax.swing.JSeparator jSeparator2;
    private javax.swing.JTextArea detailsFin;
    private javax.swing.JLabel log;
    private javax.swing.JButton lookFin;
    private javax.swing.JButton newFin;
    private javax.swing.JTextField priceFin;
    private javax.swing.JSpinner prioritySpin;
    private javax.swing.JMenuItem sairMenu;
    private javax.swing.JButton reduceFin;
    private javax.swing.JTextField tittleFin;
    // End of variables declaration
}

finanças_Main.java

package finanças;

import finanças.core.Core;

/**
 * Created by lucas on 01/10/16.
 */
public class Main {

    public static void main(String[] args) {
        setNimbusTheme();

        new Core(new Gui());
    }

    public static void setNimbusTheme(){
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(Gui.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Gui.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Gui.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Gui.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
    }
}