Erreur "login.java uses or overrides a deprecated API"

**nabil123456** · 14/05/2015, 10h40

Bonjour,

Je suis en train de développer une application. Quand je fais 'CLEAN AND BUILD' pour le projet, un erreur apparait:

Note: C:\Users\Documents\NetBeansProjects\application.backoffice1\src\login.java uses or overrides a deprecated API. Note: Recompile with -Xlint:deprecation for details.

Voilà la classe login :

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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import java.sql.Connection;
 
import static java.sql.DriverManager.getConnection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.swing.JOptionPane;
 
/**
 *
 * @author nabil.khedhri.stg
 */
public class login extends javax.swing.JFrame {
 
    /*
     * Creates new form login
    */
    //Déclaration des variables de connexion à la base et de la gestion des requetes
 
    Connection con=null;
    ResultSet rs=null;
    Statement stmt=null;
    public static String nu="";
    //construction de la fenetre login   
    public login() {
       initComponents();
        this.setResizable(false);
        this.pack();
        java.awt.Dimension screenSize = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
        this.setLocation(
        (screenSize.width-this.getWidth())/2,
        (screenSize.height-this.getHeight())/2);
    }
    /**
     * 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() {
 
        Login = new javax.swing.JPanel();
        jTextField1 = new javax.swing.JTextField(AppPreferences.getLastUserName());
        jButton1 = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jButton2 = new javax.swing.JButton();
        p1 = new javax.swing.JLabel();
        p2 = new javax.swing.JLabel();
        jPasswordField1 = new javax.swing.JPasswordField();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
 
        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Login");
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowOpened(java.awt.event.WindowEvent evt) {
                formWindowOpened(evt);
            }
        });
 
        Login.setBackground(new java.awt.Color(255, 255, 255));
        Login.setBorder(new javax.swing.border.LineBorder(new java.awt.Color(0, 0, 0), 1, true));
        Login.setPreferredSize(new java.awt.Dimension(517, 271));
 
        jTextField1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField1ActionPerformed(evt);
            }
        });
 
        jButton1.setText("LOGIN");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });
        jButton1.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyTyped(java.awt.event.KeyEvent evt) {
                jButton1KeyTyped(evt);
            }
        });
 
        jLabel1.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
        jLabel1.setText("User name");
 
        jLabel2.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
        jLabel2.setText("Password");
 
        jButton2.setText("QUIT");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });
        jButton2.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyTyped(java.awt.event.KeyEvent evt) {
                jButton2KeyTyped(evt);
            }
        });
 
        p1.setFont(new java.awt.Font("Times New Roman", 0, 14)); // NOI18N
        p1.setForeground(new java.awt.Color(204, 51, 0));
 
        p2.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
        p2.setForeground(new java.awt.Color(0, 0, 255));
        p2.setText("              ");
 
        jLabel4.setIcon(new javax.swing.ImageIcon(getClass().getResource("/application/backoffice1/Ooredoo_Logo.png"))); // NOI18N
 
        javax.swing.GroupLayout LoginLayout = new javax.swing.GroupLayout(Login);
        Login.setLayout(LoginLayout);
        LoginLayout.setHorizontalGroup(
            LoginLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(LoginLayout.createSequentialGroup()
                .addComponent(jLabel4, javax.swing.GroupLayout.PREFERRED_SIZE, 450, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(255, 255, 255)
                .addComponent(jLabel3)
                .addGap(0, 0, Short.MAX_VALUE))
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, LoginLayout.createSequentialGroup()
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGroup(LoginLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(LoginLayout.createSequentialGroup()
                        .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 72, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jPasswordField1, javax.swing.GroupLayout.PREFERRED_SIZE, 138, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(LoginLayout.createSequentialGroup()
                        .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 72, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 138, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addGap(337, 337, 337))
            .addGroup(LoginLayout.createSequentialGroup()
                .addGap(206, 206, 206)
                .addGroup(LoginLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(LoginLayout.createSequentialGroup()
                        .addComponent(jButton1)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addComponent(jButton2))
                    .addGroup(LoginLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(p1, javax.swing.GroupLayout.PREFERRED_SIZE, 236, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(p2, javax.swing.GroupLayout.PREFERRED_SIZE, 153, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        LoginLayout.setVerticalGroup(
            LoginLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(LoginLayout.createSequentialGroup()
                .addGroup(LoginLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(LoginLayout.createSequentialGroup()
                        .addGap(20, 20, 20)
                        .addComponent(jLabel3))
                    .addComponent(jLabel4, javax.swing.GroupLayout.PREFERRED_SIZE, 99, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(LoginLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 20, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(LoginLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 20, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jPasswordField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(p1, javax.swing.GroupLayout.PREFERRED_SIZE, 24, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(p2, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(LoginLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jButton2)
                    .addComponent(jButton1))
                .addContainerGap())
        );
 
        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(Login, javax.swing.GroupLayout.DEFAULT_SIZE, 450, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(Login, javax.swing.GroupLayout.DEFAULT_SIZE, 278, Short.MAX_VALUE)
        );
 
        pack();
    }// </editor-fold>                        
 
    private void formWindowOpened(java.awt.event.WindowEvent evt) {                                  
        // TODO add your handling code here:
 
    }                                 
 
    /*Action du bouton QUIT activ avec la souris
      Ce bouton permet de fermer la fenetre d'authentification
    */
    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:
        System.exit(0);
    }                                        
 
    /*Action du bouton LOGIN activ avec la souris
      Ce bouton permet de valider l'identité de la personne selon les champs remplies
    */
    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
                 try
                 {
                       AppPreferences.getLastUserName();
 
            // le meme déroulement qu'en action performed
 
            String Sql="Select  username,password   from   acteur    where username ='"+jTextField1.getText()+"'and password ='" +jPasswordField1.getText()+"'";
            con = getConnection("jdbc:mysql://localhost:3306/base_rapport","root","");
            stmt=con.createStatement();
            rs=stmt.executeQuery(Sql);
            if (rs.next()){
 
 
                AppPreferences.saveUserName(jTextField1.getText());
                p2.setText("welcome "+jTextField1.getText());
                nu=jTextField1.getText();
                p1.setText("");
                Principale s = new Principale();
                s.setVisible(true);
                this.dispose();
 
            }
            else
            {
 
                p1.setText("Invalid user name or password");
 
            }
        }
        catch (SQLException e) {
            JOptionPane.showMessageDialog(this,"No data base connection");
        }
 
    }                                        
 
    /*Action du bouton LOGIN active avec la touche Eter
      Ce bouton permet de valider l'identité de la personne selon les champs remplies
    */
 
    private void jButton1KeyTyped(java.awt.event.KeyEvent evt) {                                  
        // TODO add your handling code here:
       try
                 {
                       AppPreferences.getLastUserName();
 
 
 
            // le meme déroulement qu'en action performed
 
            String Sql="Select  username,password   from   acteur    where username ='"+jTextField1.getText()+"'and password ='" +jPasswordField1.getText()+"'";
            con = getConnection("jdbc:mysql://localhost:3306/base_rapport","root","");
            stmt=con.createStatement();
            rs=stmt.executeQuery(Sql);
            if (rs.next()){
 
                //JOptionPane.showMessageDialog(this,"welcome "+jTextField1.getText());
                AppPreferences.saveUserName(jTextField1.getText());
                p2.setText("welcome "+jTextField1.getText());
                nu=jTextField1.getText();
                p1.setText("");
                Principale s = new Principale();
                s.setVisible(true);
                this.dispose();
 
            }
            else
            {
                //JOptionPane.showMessageDialog(this,"invalid username or password");
 
                p1.setText("Invalid user name or password");
 
            }
        }
        catch (SQLException e) {
            JOptionPane.showMessageDialog(this,"No data base connection");
        }
 
    }                                 
 
    /*Action du bouton QUIT activ avec la touche Enter
      Ce bouton permet de fermer la fenetre d'authentification
    */
 
    private void jButton2KeyTyped(java.awt.event.KeyEvent evt) {                                  
        // TODO add your handling code here:
        System.exit(0); 
    }                                 
 
    private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {                                            
        // 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 | InstantiationException | IllegalAccessException | javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>
 
        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            @Override
            public void run() {
                new login().setVisible(true);
            }
        });
    }
    // Variables declaration - do not modify                     
    private javax.swing.JPanel Login;
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JPasswordField jPasswordField1;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JLabel p1;
    private javax.swing.JLabel p2;
    // End of variables declaration                   
}

Quelqu'un saurait-il m'indiquer comment corriger ce problème ?

Merci d'avance pour votre aide.

**wax78** · 14/05/2015, 11h02

Bonjour,

"Note" n'est pas une erreur, juste une note.

De plus, le code compile (hormis pour l'appel à la classe AppPreference).

Il y a un deprecation clairement marqué par le compilateur concernant le JPasswordField.

Erreur "login.java uses or overrides a deprecated API"

Interfaces Graphiques en Java

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