Netbeans - Ayuda jtable guardar datos

 
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Ayuda jtable guardar datos

Publicado por Juan (1 intervención) el 24/12/2018 07:17:08
Hola quisiera saber como puedo guardar los datos de mi Jtable en el caso extremo en un archivo, sino que no se me borre en tiempo de ejecucion, ya que por ejemplo tengo una aplicacion que agrega clientes, los agrego a la jtable con exito, pero al darle al boton "atras" los datos de la jtable se pierden, y no quiero que se pierdan, sino que sean persistentes, como podría hacer eso? . Nose si me explique bien pero quiero que los datos queden en la Jtable al cerrar el programa, o que estén almenos en tiempo de ejecucion, y no se pierdan en el aire


Mi codigo de ventana cliente (Que solo agrega los datos a la jtable); Una vez cerrado se pierden los datos, o al darle al boton "atras", se pierden los datos.

Codigo:
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/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package vista;
 
import static javafx.application.Platform.exit;
import javax.swing.JOptionPane;
import javax.swing.table.DefaultTableModel;
 
/**
 *
 * @author xf
 */
public class VentanaCliente extends javax.swing.JFrame {
 
    /**
     * Creates new form VentanaCliente
     */
    public VentanaCliente() {
        initComponents();
    }
 
    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {
 
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        jLabel6 = new javax.swing.JLabel();
        jTextField_idcliente = new javax.swing.JTextField();
        jTextField_nombre = new javax.swing.JTextField();
        jTextField_apellido = new javax.swing.JTextField();
        jTextField_direccion = new javax.swing.JTextField();
        jTextField_telefono = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();
        jButton4 = new javax.swing.JButton();
        jButton5 = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTable_table = new javax.swing.JTable();
        jButton2 = new javax.swing.JButton();
        jButton6 = new javax.swing.JButton();
        jButton7 = new javax.swing.JButton();
        jLabel7 = new javax.swing.JLabel();
 
        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        getContentPane().setLayout(new org.netbeans.lib.awtextra.AbsoluteLayout());
 
        jLabel1.setBackground(new java.awt.Color(255, 255, 255));
        jLabel1.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
        jLabel1.setText("VENTANA CLIENTES");
        getContentPane().add(jLabel1, new org.netbeans.lib.awtextra.AbsoluteConstraints(290, 30, 140, -1));
 
        jLabel2.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
        jLabel2.setText("idCliente:");
        getContentPane().add(jLabel2, new org.netbeans.lib.awtextra.AbsoluteConstraints(70, 80, 70, -1));
 
        jLabel3.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
        jLabel3.setText("Nombre Cliente");
        getContentPane().add(jLabel3, new org.netbeans.lib.awtextra.AbsoluteConstraints(30, 120, 110, -1));
 
        jLabel4.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
        jLabel4.setText("Apellido Cliente");
        getContentPane().add(jLabel4, new org.netbeans.lib.awtextra.AbsoluteConstraints(30, 160, 120, -1));
 
        jLabel5.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
        jLabel5.setText("Direccion:");
        getContentPane().add(jLabel5, new org.netbeans.lib.awtextra.AbsoluteConstraints(70, 190, 80, -1));
 
        jLabel6.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
        jLabel6.setText("Telefono:");
        getContentPane().add(jLabel6, new org.netbeans.lib.awtextra.AbsoluteConstraints(70, 230, -1, -1));
 
        jTextField_idcliente.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField_idclienteActionPerformed(evt);
            }
        });
        getContentPane().add(jTextField_idcliente, new org.netbeans.lib.awtextra.AbsoluteConstraints(160, 90, 190, 20));
        getContentPane().add(jTextField_nombre, new org.netbeans.lib.awtextra.AbsoluteConstraints(160, 120, 190, -1));
        getContentPane().add(jTextField_apellido, new org.netbeans.lib.awtextra.AbsoluteConstraints(160, 160, 190, -1));
        getContentPane().add(jTextField_direccion, new org.netbeans.lib.awtextra.AbsoluteConstraints(160, 190, 190, -1));
 
        jTextField_telefono.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField_telefonoActionPerformed(evt);
            }
        });
        getContentPane().add(jTextField_telefono, new org.netbeans.lib.awtextra.AbsoluteConstraints(160, 230, 190, -1));
 
        jButton1.setText("Guardar");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });
        getContentPane().add(jButton1, new org.netbeans.lib.awtextra.AbsoluteConstraints(30, 270, 84, -1));
 
        jButton3.setText("Eliminar");
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });
        getContentPane().add(jButton3, new org.netbeans.lib.awtextra.AbsoluteConstraints(330, 270, 150, -1));
 
        jButton4.setText("Modificar");
        jButton4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton4ActionPerformed(evt);
            }
        });
        getContentPane().add(jButton4, new org.netbeans.lib.awtextra.AbsoluteConstraints(230, 270, 90, -1));
 
        jButton5.setText("Buscar Cliente");
        jButton5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton5ActionPerformed(evt);
            }
        });
        getContentPane().add(jButton5, new org.netbeans.lib.awtextra.AbsoluteConstraints(500, 265, 260, 30));
 
        jTable_table.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
 
            },
            new String [] {
                "idCliente", "Nombre", "Apellido", "Direccion", "Telefono"
            }
        ));
        jScrollPane1.setViewportView(jTable_table);
 
        getContentPane().add(jScrollPane1, new org.netbeans.lib.awtextra.AbsoluteConstraints(30, 300, 730, 179));
 
        jButton2.setText("Nuevo");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });
        getContentPane().add(jButton2, new org.netbeans.lib.awtextra.AbsoluteConstraints(130, 270, 81, -1));
 
        jButton6.setText("Volver atrás");
        jButton6.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton6ActionPerformed(evt);
            }
        });
        getContentPane().add(jButton6, new org.netbeans.lib.awtextra.AbsoluteConstraints(530, 80, 140, 30));
 
        jButton7.setText("Salir");
        jButton7.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton7ActionPerformed(evt);
            }
        });
        getContentPane().add(jButton7, new org.netbeans.lib.awtextra.AbsoluteConstraints(530, 120, 140, -1));
 
        jLabel7.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
        jLabel7.setIcon(new javax.swing.ImageIcon(getClass().getResource("/imagenes/picnic.jpg"))); // NOI18N
        jLabel7.setText("jLabel7");
        getContentPane().add(jLabel7, new org.netbeans.lib.awtextra.AbsoluteConstraints(0, 0, 820, 500));
 
        pack();
    }// </editor-fold>
 
    private void jTextField_telefonoActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
    }
 
    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
 
                DefaultTableModel model = (DefaultTableModel) jTable_table.getModel();
 
        model.addRow(new Object[] {jTextField_idcliente.getText(),jTextField_nombre.getText(),jTextField_apellido.getText(),jTextField_direccion.getText(),jTextField_telefono.getText()});
 
 
    }
 
    private void jTextField_idclienteActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
    }
 
    private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
DefaultTableModel model = (DefaultTableModel) jTable_table.getModel();
// TODO add your handling code here:
   int FilaSelec = jTable_table.getSelectedRow();
         if(FilaSelec >= 0){
            model.removeRow(FilaSelec);
         }else
         {
         JOptionPane.showMessageDialog(this,"Fila no seleccionada");
 
         }
    }
 
    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        jTextField_idcliente.setText("");
    jTextField_nombre.setText("");
      jTextField_apellido.setText("");
        jTextField_direccion.setText("");
        jTextField_telefono.setText("");
        jTextField_idcliente.requestFocus();
 
 
    }
 
    private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
 
        int FilaSelec = jTable_table.getSelectedRow();
         if(FilaSelec >= 0){
         jTextField_idcliente.setText((String) jTable_table.getValueAt(FilaSelec, 0).toString());
          jTextField_nombre.setText((String) jTable_table.getValueAt(FilaSelec, 1).toString());
         jTextField_apellido.setText((String) jTable_table.getValueAt(FilaSelec, 2).toString());
         jTextField_direccion.setText((String) jTable_table.getValueAt(FilaSelec, 3).toString());
         jTextField_telefono.setText((String) jTable_table.getValueAt(FilaSelec, 4).toString());
         DefaultTableModel model = (DefaultTableModel) jTable_table.getModel();
        model.removeRow(FilaSelec);
         }else
         {
         JOptionPane.showMessageDialog(this,"Fila no seleccionada");
 
         }
 
    }
 
    private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {
 
 
    }
 
    private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {
    VentanaPrincipal c = new VentanaPrincipal();
    c.setVisible(true);
    dispose();
 
    }
 
    private void jButton7ActionPerformed(java.awt.event.ActionEvent evt) {
  System.exit(0);
    }
 
 
 
    // Variables declaration - do not modify
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JButton jButton3;
    private javax.swing.JButton jButton4;
    private javax.swing.JButton jButton5;
    private javax.swing.JButton jButton6;
    private javax.swing.JButton jButton7;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel6;
    private javax.swing.JLabel jLabel7;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable_table;
    private javax.swing.JTextField jTextField_apellido;
    private javax.swing.JTextField jTextField_direccion;
    private javax.swing.JTextField jTextField_idcliente;
    private javax.swing.JTextField jTextField_nombre;
    private javax.swing.JTextField jTextField_telefono;
    // End of variables declaration
}
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