Witajcie.
Na uczelni kazano nam zrobić projekt o tematyce wypożyczalni. Zrobiłem wypożyczalnię samochodów i mam problem z tym, że jak wprowadzę do jLista dane i potem po naciśnięciu klawisza chciałem by się wyświetlały wszelkie parametry. No i problem jest taki, że odczytuje tylko dla pierwszego modelu samochodu parametry, a dla reszty wypisuje null. Niestety nie mogę nigdzie znaleźć błędu, pomożecie?
Kod programu
import javax.swing.DefaultListModel;
/*
* 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.
*/
/**
*
* @author Skoczek
*/
public class wypozyczalnia extends javax.swing.JFrame {
DefaultListModel wypozyczalnia = new DefaultListModel();
String [] anarray;
String [] model1;
String [] rocznik1;
String [] silnik1;
String [] przebieg1;
String [] cena1;
int y;
int i=0;
private static void addElement(String string) {
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
/**
* Creates new form wypozyczalnia
*/
public wypozyczalnia() {
initComponents();
jLabel15.setVisible(false);
jLabel14.setVisible(false);
jLabel13.setVisible(false);
jTextField8.setVisible(false);
jTextField9.setVisible(false);
jTextField10.setVisible(false);
}
/**
* 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() {
jScrollPane1 = new javax.swing.JScrollPane();
jList1 = new javax.swing.JList();
jButton1 = new javax.swing.JButton();
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();
jTextField1 = new javax.swing.JTextField();
jTextField2 = new javax.swing.JTextField();
jTextField3 = new javax.swing.JTextField();
jTextField4 = new javax.swing.JTextField();
jTextField5 = new javax.swing.JTextField();
jTextField6 = new javax.swing.JTextField();
jTextField7 = new javax.swing.JTextField();
jLabel7 = new javax.swing.JLabel();
jLabel8 = new javax.swing.JLabel();
jLabel9 = new javax.swing.JLabel();
jLabel10 = new javax.swing.JLabel();
jLabel11 = new javax.swing.JLabel();
jLabel12 = new javax.swing.JLabel();
jButton2 = new javax.swing.JButton();
jTextField8 = new javax.swing.JTextField();
jTextField9 = new javax.swing.JTextField();
jTextField10 = new javax.swing.JTextField();
jLabel13 = new javax.swing.JLabel();
jLabel14 = new javax.swing.JLabel();
jLabel15 = new javax.swing.JLabel();
jButton3 = new javax.swing.JButton();
jButton4 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jList1.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
jList1MouseClicked(evt);
}
public void mousePressed(java.awt.event.MouseEvent evt) {
jList1MousePressed(evt);
}
});
jScrollPane1.setViewportView(jList1);
java.util.ResourceBundle bundle = java.util.ResourceBundle.getBundle("Bundle"); // NOI18N
jButton1.setText(bundle.getString("wypozyczalnia.jButton1.text")); // NOI18N
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jLabel1.setText(bundle.getString("wypozyczalnia.jLabel1.text")); // NOI18N
jLabel2.setText(bundle.getString("wypozyczalnia.jLabel2.text")); // NOI18N
jLabel3.setText(bundle.getString("wypozyczalnia.jLabel3.text")); // NOI18N
jLabel4.setText(bundle.getString("wypozyczalnia.jLabel4.text")); // NOI18N
jLabel5.setText(bundle.getString("wypozyczalnia.jLabel5.text")); // NOI18N
jLabel6.setText(bundle.getString("wypozyczalnia.jLabel6.text")); // NOI18N
jTextField1.setText(bundle.getString("wypozyczalnia.jTextField1.text")); // NOI18N
jTextField2.setText(bundle.getString("wypozyczalnia.jTextField2.text")); // NOI18N
jTextField3.setText(bundle.getString("wypozyczalnia.jTextField3.text")); // NOI18N
jTextField4.setText(bundle.getString("wypozyczalnia.jTextField4.text")); // NOI18N
jTextField5.setText(bundle.getString("wypozyczalnia.jTextField5.text")); // NOI18N
jTextField6.setText(bundle.getString("wypozyczalnia.jTextField6.text")); // NOI18N
jTextField7.setText(bundle.getString("wypozyczalnia.jTextField7.text")); // NOI18N
jLabel7.setText(bundle.getString("wypozyczalnia.jLabel7.text")); // NOI18N
jLabel8.setText(bundle.getString("wypozyczalnia.jLabel8.text")); // NOI18N
jLabel9.setText(bundle.getString("wypozyczalnia.jLabel9.text")); // NOI18N
jLabel10.setText(bundle.getString("wypozyczalnia.jLabel10.text")); // NOI18N
jLabel11.setText(bundle.getString("wypozyczalnia.jLabel11.text")); // NOI18N
jLabel12.setText(bundle.getString("wypozyczalnia.jLabel12.text")); // NOI18N
jButton2.setText(bundle.getString("wypozyczalnia.jButton2.text")); // NOI18N
jButton2.addMouseListener(new java.awt.event.MouseAdapter() {
public void mousePressed(java.awt.event.MouseEvent evt) {
jButton2MousePressed(evt);
}
});
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
jTextField8.setText(bundle.getString("wypozyczalnia.jTextField8.text")); // NOI18N
jTextField9.setText(bundle.getString("wypozyczalnia.jTextField9.text")); // NOI18N
jTextField10.setText(bundle.getString("wypozyczalnia.jTextField10.text")); // NOI18N
jLabel13.setText(bundle.getString("wypozyczalnia.jLabel13.text")); // NOI18N
jLabel14.setText(bundle.getString("wypozyczalnia.jLabel14.text")); // NOI18N
jLabel15.setText(bundle.getString("wypozyczalnia.jLabel15.text")); // NOI18N
jButton3.setText(bundle.getString("wypozyczalnia.jButton3.text")); // NOI18N
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});
jButton4.setText(bundle.getString("wypozyczalnia.jButton4.text")); // NOI18N
jButton4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton4ActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(23, 23, 23)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, 258, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel3)
.addComponent(jLabel4))
.addGap(28, 28, 28)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, 258, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jTextField4, javax.swing.GroupLayout.PREFERRED_SIZE, 258, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel5)
.addComponent(jLabel6))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jTextField5, javax.swing.GroupLayout.DEFAULT_SIZE, 258, Short.MAX_VALUE)
.addComponent(jTextField6)))
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel1)
.addGap(63, 63, 63)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 258, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(52, 52, 52)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel7)
.addComponent(jLabel8)
.addComponent(jLabel10)
.addComponent(jLabel11)
.addComponent(jLabel12)
.addComponent(jLabel9)))
.addGroup(layout.createSequentialGroup()
.addGap(18, 18, 18)
.addComponent(jButton1)))
.addContainerGap())
.addGroup(layout.createSequentialGroup()
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 155, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(59, 59, 59)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jTextField7, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton4))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 359, Short.MAX_VALUE)
.addComponent(jButton2)
.addGap(185, 185, 185))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addComponent(jButton3)
.addGap(174, 174, 174))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel13)
.addComponent(jLabel14)
.addComponent(jLabel15))
.addGap(38, 38, 38)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(jTextField10, javax.swing.GroupLayout.DEFAULT_SIZE, 138, Short.MAX_VALUE)
.addComponent(jTextField9)
.addComponent(jTextField8))
.addGap(34, 34, 34))))))))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(15, 15, 15)
.addComponent(jButton2)
.addGap(17, 17, 17)
.addComponent(jLabel8)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jTextField8, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel13))
.addGap(18, 18, 18)
.addComponent(jTextField9, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(jLabel14))
.addGap(7, 7, 7)
.addComponent(jLabel9)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jTextField10, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel15))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jLabel10)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel11)
.addGap(11, 11, 11)
.addComponent(jButton3)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel12)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton1)
.addGap(22, 22, 22))
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 232, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(28, 28, 28)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel3)
.addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel4)
.addComponent(jTextField4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel5)
.addComponent(jTextField5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel6)
.addComponent(jTextField6, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jTextField7, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel7))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton4)))
.addContainerGap(41, Short.MAX_VALUE))))
);
pack();
}// </editor-fold>
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// deklaracja tablic
anarray = new String[10];
model1 = new String[10];
rocznik1 = new String[10];
silnik1 = new String[10];
przebieg1 = new String[10];
cena1 = new String[10];
/// pobranie tekstu do stringu
String marka= jTextField1.getText(); //deklaracja stringa z textfield1
String model= jTextField2.getText(); //deklaracja stringa z textfield2
String rocznik= jTextField3.getText();
String silnik= jTextField4.getText();
String przebieg= jTextField5.getText();
String cena= jTextField6.getText();
// zapisanie do tablicy danych stringow
anarray[i]= marka;
model1[i]= model;
rocznik1[i]= rocznik;
silnik1[i]= silnik;
przebieg1[i]= przebieg;
cena1[i]= cena;
// dodanie elementu do jList
wypozyczalnia.addElement(marka+ " "+ model); // dodanie elementu obu stringów
jList1.setModel(wypozyczalnia); // wstawienie wyzszych stringow do listy
// wyzerowanie pól tekstowych
jTextField1.setText(""); //wyzerowanie po nacisnieciu klawisza pola tekstowego
jTextField2.setText(""); // weyzerowanie po nacisnieciu klawisza pola tekstowego
jTextField3.setText(""); // weyzerowanie po nacisnieciu klawisza pola tekstowego // TODO add your handling code here:
jTextField4.setText(""); // weyzerowanie po nacisnieciu klawisza pola tekstowego // TODO add your handling code here:
jTextField5.setText(""); // weyzerowanie po nacisnieciu klawisza pola tekstowego // TODO add your handling code here:
jTextField6.setText(""); // weyzerowanie po nacisnieciu klawisza pola tekstowego // TODO add your handling code here:
// zmiana iteratora
i=i++;
}
private void jList1MouseClicked(java.awt.event.MouseEvent evt) {
//wyzerowanie po nacisnieciu klawisza pola tekstowego
//
}
private void jList1MousePressed(java.awt.event.MouseEvent evt) {
// TODO add your handling code here:
}
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
jLabel15.setVisible(true);
jLabel14.setVisible(true);
jLabel13.setVisible(true);
jTextField8.setVisible(true);
jTextField9.setVisible(true);
jTextField10.setVisible(true);
}
private void jButton2MousePressed(java.awt.event.MouseEvent evt) {
// TODO add your handling code here:
}
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {
y= jList1.getAnchorSelectionIndex();
jLabel7.setText("Marka: "+ anarray[y]);
jLabel8.setText("Model: "+ model1[y]);
jLabel9.setText("Rocznik: "+ rocznik1[y]);
jLabel10.setText("Silnik: "+ silnik1[y]);
jLabel11.setText("Przebieg: "+ przebieg1[y]);
jLabel12.setText("Cena za dzień: "+ cena1[y]); // TODO add your handling code here:
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
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(wypozyczalnia.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(wypozyczalnia.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(wypozyczalnia.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(wypozyczalnia.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new wypozyczalnia().setVisible(true);
}
});
}
// 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.JLabel jLabel1;
private javax.swing.JLabel jLabel10;
private javax.swing.JLabel jLabel11;
private javax.swing.JLabel jLabel12;
private javax.swing.JLabel jLabel13;
private javax.swing.JLabel jLabel14;
private javax.swing.JLabel jLabel15;
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.JLabel jLabel8;
private javax.swing.JLabel jLabel9;
private javax.swing.JList jList1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextField jTextField1;
private javax.swing.JTextField jTextField10;
private javax.swing.JTextField jTextField2;
private javax.swing.JTextField jTextField3;
private javax.swing.JTextField jTextField4;
private javax.swing.JTextField jTextField5;
private javax.swing.JTextField jTextField6;
private javax.swing.JTextField jTextField7;
private javax.swing.JTextField jTextField8;
private javax.swing.JTextField jTextField9;
// End of variables declaration
}