Explication de programme Java

Version imprimable

Bonjour,

J'ai un programme en Java mais je ne le comprends pas

Le voici :

Code:

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 package tpsimulation;
 
import java.awt.Color;
import java.util.Vector;
import javax.swing.table.DefaultTableModel;
 
/**
 *
 * @author OUSSAMA
 */
public class panneau extends javax.swing.JFrame {
 
    /**
     * Creates new form panneau
     */
    public panneau() {
        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">//GEN-BEGIN:initComponents
    private void initComponents() {
 
        jLabel1 = new javax.swing.JLabel();
        rang_txt = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        jButton1 = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        liste_aleatoire = new javax.swing.JTable();
        jLabel3 = new javax.swing.JLabel();
        jScrollPane2 = new javax.swing.JScrollPane();
        intr = new javax.swing.JTable();
        jLabel4 = new javax.swing.JLabel();
        etat_generateur = new javax.swing.JLabel();
        jPanel1 = new javax.swing.JPanel();
        jTabbedPane1 = new javax.swing.JTabbedPane();
        jPanel2 = new javax.swing.JPanel();
        jScrollPane3 = new javax.swing.JScrollPane();
        transformation = new javax.swing.JTable();
        jLabel5 = new javax.swing.JLabel();
        jPanel3 = new javax.swing.JPanel();
        jScrollPane4 = new javax.swing.JScrollPane();
        zi = new javax.swing.JTable();
        z = new javax.swing.JLabel();
        jPanel4 = new javax.swing.JPanel();
        jScrollPane5 = new javax.swing.JScrollPane();
        tab_composition = new javax.swing.JTable();
        nb_moy = new javax.swing.JLabel();
        res = new javax.swing.JLabel();
 
        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowOpened(java.awt.event.WindowEvent evt) {
                formWindowOpened(evt);
            }
        });
 
        jLabel1.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
        jLabel1.setText("Entrez le rang de séquence :");
 
        jLabel2.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
        jLabel2.setText("Liste des nombres génénré :");
 
        jButton1.setText("Génere");
        jButton1.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jButton1MouseClicked(evt);
            }
        });
 
        liste_aleatoire.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
 
            },
            new String [] {
                "", "", "", "", "", "", "", "", "", ""
            }
        ) {
            boolean[] canEdit = new boolean [] {
                false, false, false, false, false, false, false, false, false, false
            };
 
            public boolean isCellEditable(int rowIndex, int columnIndex) {
                return canEdit [columnIndex];
            }
        });
        jScrollPane1.setViewportView(liste_aleatoire);
        if (liste_aleatoire.getColumnModel().getColumnCount() > 0) {
            liste_aleatoire.getColumnModel().getColumn(0).setResizable(false);
            liste_aleatoire.getColumnModel().getColumn(1).setResizable(false);
            liste_aleatoire.getColumnModel().getColumn(2).setResizable(false);
            liste_aleatoire.getColumnModel().getColumn(3).setResizable(false);
            liste_aleatoire.getColumnModel().getColumn(4).setResizable(false);
            liste_aleatoire.getColumnModel().getColumn(5).setResizable(false);
            liste_aleatoire.getColumnModel().getColumn(6).setResizable(false);
            liste_aleatoire.getColumnModel().getColumn(7).setResizable(false);
            liste_aleatoire.getColumnModel().getColumn(8).setResizable(false);
            liste_aleatoire.getColumnModel().getColumn(9).setResizable(false);
        }
 
        jLabel3.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
        jLabel3.setText("Teste de KHI-2 :");
 
        intr.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
 
            },
            new String [] {
                "0->0.1", "0.1->0.2", "0.2->0.3", "0.3->0.4", "0.4->0.5", "0.5->0.6", "0.6->0.7", "0.7->0.8", "0.8->0.9", "0.9->1"
            }
        ) {
            boolean[] canEdit = new boolean [] {
                false, false, false, false, false, false, false, false, false, false
            };
 
            public boolean isCellEditable(int rowIndex, int columnIndex) {
                return canEdit [columnIndex];
            }
        });
        jScrollPane2.setViewportView(intr);
        if (intr.getColumnModel().getColumnCount() > 0) {
            intr.getColumnModel().getColumn(0).setResizable(false);
            intr.getColumnModel().getColumn(1).setResizable(false);
            intr.getColumnModel().getColumn(2).setResizable(false);
            intr.getColumnModel().getColumn(3).setResizable(false);
            intr.getColumnModel().getColumn(4).setResizable(false);
            intr.getColumnModel().getColumn(5).setResizable(false);
            intr.getColumnModel().getColumn(6).setResizable(false);
            intr.getColumnModel().getColumn(7).setResizable(false);
            intr.getColumnModel().getColumn(8).setResizable(false);
            intr.getColumnModel().getColumn(9).setResizable(false);
        }
 
        jLabel4.setFont(new java.awt.Font("Tahoma", 0, 12)); // NOI18N
        jLabel4.setForeground(new java.awt.Color(0, 0, 255));
        jLabel4.setText("Generateur :");
 
        etat_generateur.setFont(new java.awt.Font("Tahoma", 0, 12)); // NOI18N
 
        transformation.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
 
            },
            new String [] {
                "", "", "", "", "", "", "", "", "", ""
            }
        ) {
            boolean[] canEdit = new boolean [] {
                false, false, false, false, false, false, false, false, false, false
            };
 
            public boolean isCellEditable(int rowIndex, int columnIndex) {
                return canEdit [columnIndex];
            }
        });
        jScrollPane3.setViewportView(transformation);
        if (transformation.getColumnModel().getColumnCount() > 0) {
            transformation.getColumnModel().getColumn(0).setResizable(false);
            transformation.getColumnModel().getColumn(1).setResizable(false);
            transformation.getColumnModel().getColumn(2).setResizable(false);
            transformation.getColumnModel().getColumn(3).setResizable(false);
            transformation.getColumnModel().getColumn(4).setResizable(false);
            transformation.getColumnModel().getColumn(5).setResizable(false);
            transformation.getColumnModel().getColumn(6).setResizable(false);
            transformation.getColumnModel().getColumn(7).setResizable(false);
            transformation.getColumnModel().getColumn(8).setResizable(false);
            transformation.getColumnModel().getColumn(9).setResizable(false);
        }
 
        jLabel5.setFont(new java.awt.Font("Tahoma", 0, 12)); // NOI18N
        jLabel5.setForeground(new java.awt.Color(0, 0, 204));
        jLabel5.setText("La methode de trnsformation : (avec la loi exponentielle)");
 
        javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jScrollPane3, javax.swing.GroupLayout.Alignment.TRAILING)
            .addGroup(jPanel2Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, 499, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(489, Short.MAX_VALUE))
        );
        jPanel2Layout.setVerticalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel2Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel5)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jScrollPane3, javax.swing.GroupLayout.DEFAULT_SIZE, 304, Short.MAX_VALUE))
        );
 
        jTabbedPane1.addTab("Transformation", jPanel2);
 
        zi.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
 
            },
            new String [] {
                "Zi"
            }
        ) {
            boolean[] canEdit = new boolean [] {
                false
            };
 
            public boolean isCellEditable(int rowIndex, int columnIndex) {
                return canEdit [columnIndex];
            }
        });
        jScrollPane4.setViewportView(zi);
        if (zi.getColumnModel().getColumnCount() > 0) {
            zi.getColumnModel().getColumn(0).setResizable(false);
        }
 
        z.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
        z.setText("Z= ");
 
        javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
        jPanel3.setLayout(jPanel3Layout);
        jPanel3Layout.setHorizontalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel3Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane4, javax.swing.GroupLayout.PREFERRED_SIZE, 68, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addComponent(z)
                .addContainerGap(881, Short.MAX_VALUE))
        );
        jPanel3Layout.setVerticalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel3Layout.createSequentialGroup()
                .addGap(36, 36, 36)
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jScrollPane4, javax.swing.GroupLayout.PREFERRED_SIZE, 222, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(z, javax.swing.GroupLayout.PREFERRED_SIZE, 29, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(78, Short.MAX_VALUE))
        );
 
        jTabbedPane1.addTab("Rejection", jPanel3);
 
        tab_composition.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
 
            },
            new String [] {
                "Zi"
            }
        ) {
            boolean[] canEdit = new boolean [] {
                false
            };
 
            public boolean isCellEditable(int rowIndex, int columnIndex) {
                return canEdit [columnIndex];
            }
        });
        jScrollPane5.setViewportView(tab_composition);
        if (tab_composition.getColumnModel().getColumnCount() > 0) {
            tab_composition.getColumnModel().getColumn(0).setResizable(false);
        }
 
        nb_moy.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
        nb_moy.setText("Le nombre moyen de rejet : ");
 
        res.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
 
        javax.swing.GroupLayout jPanel4Layout = new javax.swing.GroupLayout(jPanel4);
        jPanel4.setLayout(jPanel4Layout);
        jPanel4Layout.setHorizontalGroup(
            jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel4Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane5, javax.swing.GroupLayout.PREFERRED_SIZE, 122, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel4Layout.createSequentialGroup()
                        .addGap(18, 18, 18)
                        .addComponent(nb_moy))
                    .addGroup(jPanel4Layout.createSequentialGroup()
                        .addGap(191, 191, 191)
                        .addComponent(res, javax.swing.GroupLayout.PREFERRED_SIZE, 74, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(601, Short.MAX_VALUE))
        );
        jPanel4Layout.setVerticalGroup(
            jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jScrollPane5, javax.swing.GroupLayout.DEFAULT_SIZE, 336, Short.MAX_VALUE)
            .addGroup(jPanel4Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(nb_moy)
                .addGap(18, 18, 18)
                .addComponent(res, javax.swing.GroupLayout.PREFERRED_SIZE, 24, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
 
        jTabbedPane1.addTab("Composition", jPanel4);
 
        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jTabbedPane1, javax.swing.GroupLayout.Alignment.TRAILING)
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jTabbedPane1)
        );
 
        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                        .addComponent(jLabel3)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addComponent(jScrollPane2))
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                        .addComponent(jLabel1)
                        .addGap(18, 18, 18)
                        .addComponent(rang_txt, javax.swing.GroupLayout.PREFERRED_SIZE, 163, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jButton1)
                        .addGap(0, 0, Short.MAX_VALUE))
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                        .addComponent(jLabel2)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jScrollPane1)))
                .addContainerGap())
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(19, 19, 19)
                        .addComponent(jLabel4)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(etat_generateur, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
                .addGap(14, 14, 14))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(rang_txt, javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(jLabel1)
                        .addComponent(jButton1)))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jLabel2)
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 174, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel3))
                .addGap(2, 2, 2)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addComponent(etat_generateur, javax.swing.GroupLayout.DEFAULT_SIZE, 19, Short.MAX_VALUE)
                    .addComponent(jLabel4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
 
        pack();
    }// </editor-fold>//GEN-END:initComponents
    public int rang;
    public int[] t={0,0,0,0,0,0,0,0,0,0};
    public Vector<Float> sequence =new Vector<Float>();
    public Vector seq_g_exp =new Vector();
    public fonction_rand r=new fonction_rand();
    DefaultTableModel m;
    DefaultTableModel m1;
    DefaultTableModel mz;
    DefaultTableModel m2;
    private void formWindowOpened(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_formWindowOpened
        this.setLocationRelativeTo(null);
    }//GEN-LAST:event_formWindowOpened
 
    @SuppressWarnings("empty-statement")
    private void jButton1MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton1MouseClicked
        // TODO add your handling code here:
        comp_cmpt=0;comp_acc=0;comp_temp=0;
        m=(DefaultTableModel)liste_aleatoire.getModel();
        m1=(DefaultTableModel)intr.getModel();
        m2=(DefaultTableModel)transformation.getModel();
        mz=(DefaultTableModel)zi.getModel();
        m3=(DefaultTableModel)tab_composition.getModel();
        m.setRowCount(0);
        m3.setRowCount(0);
        res.setText("");
        seq_g_exp.clear();
        sequence.clear();
        z.setText("Z= ");
        for(int i=0;i<10;i++){
            t[i]=0;
        }
        m1.setRowCount(0);
        m2.setRowCount(0);
        mz.setRowCount(0);
        rang = Integer.parseInt(rang_txt.getText());
        float temp;
        for (int i = 0; i < rang; i++) {
        temp=r.next();
        if(temp<0.1)t[0]=t[0]+1;
        if(temp<0.2&&temp>=0.1)t[1]=t[1]+1;
        if(temp<0.3&&temp>=0.2)t[2]=t[2]+1;
        if(temp<0.4&&temp>=0.3)t[3]=t[3]+1;
        if(temp<0.5&&temp>=0.4)t[4]=t[4]+1;
        if(temp<0.6&&temp>=0.5)t[5]=t[5]+1;
        if(temp<0.7&&temp>=0.6)t[6]=t[6]+1;
        if(temp<0.8&&temp>=0.7)t[7]=t[7]+1;
        if(temp<0.9&&temp>=0.8)t[8]=t[8]+1;
        if(temp<1&&temp>=0.9)t[9]=t[9]+1;
                sequence.add(temp);
        }
        for (int i = 0; i < sequence.size(); i++) {
           if(i%10==0){ m=(DefaultTableModel)liste_aleatoire.getModel();
               if(sequence.size()<i+2){
                                            m.addRow(new Object[]{sequence.get(i),"","","","","","","","",""});
                                        }else if(sequence.size()<i+3)m.addRow(new Object[]{sequence.get(i),sequence.get(i+1)
                                                ,"","","","","","","",""});
                                        else if(sequence.size()<i+4)m.addRow(new Object[]{sequence.get(i),sequence.get(i+1)
                                                ,sequence.get(i+2),"","","","","","",""});
                                        else if(sequence.size()<i+5)m.addRow(new Object[]{sequence.get(i),sequence.get(i+1)
                                                ,sequence.get(i+2),sequence.get(i+3),"","","","","",""});
                                        else if(sequence.size()<i+6)m.addRow(new Object[]{sequence.get(i),sequence.get(i+1)
                                                ,sequence.get(i+2),sequence.get(i+3),sequence.get(i+4),"","","","",""});
                                        else if(sequence.size()<i+7)m.addRow(new Object[]{sequence.get(i),sequence.get(i+1)
                                                ,sequence.get(i+2),sequence.get(i+3),sequence.get(i+4),sequence.get(i+5),
                                                "","","",""});
                                         else if(sequence.size()<i+8)m.addRow(new Object[]{sequence.get(i),sequence.get(i+1)
                                                ,sequence.get(i+2),sequence.get(i+3),sequence.get(i+4),sequence.get(i+5),
                                                sequence.get(i+6),"","",""});
                                         else if(sequence.size()<i+9)m.addRow(new Object[]{sequence.get(i),sequence.get(i+1)
                                                ,sequence.get(i+2),sequence.get(i+3),sequence.get(i+4),sequence.get(i+5),
                                                sequence.get(i+6),sequence.get(i+7),"",""});
                                         else if(sequence.size()<i+10)m.addRow(new Object[]{sequence.get(i),sequence.get(i+1)
                                                ,sequence.get(i+2),sequence.get(i+3),sequence.get(i+4),sequence.get(i+5),
                                                sequence.get(i+6),sequence.get(i+7),sequence.get(i+8),""});
                                         else m.addRow(new Object[]{sequence.get(i),sequence.get(i+1),sequence.get(i+2),sequence.get(i+3),sequence.get(i+4),
                sequence.get(i+5),sequence.get(i+6),sequence.get(i+7),sequence.get(i+8),sequence.get(i+9)});}
            seq_g_exp.add(Loi_Exp((float) 0.26,(float) sequence.get(i)));
            }
                int n=rang;
        int k=10;
        double sum=Math.pow((t[0]-(n/k)),2)+Math.pow((t[1]-(n/k)),2)+
                           Math.pow((t[2]-(n/k)),2)+Math.pow((t[3]-(n/k)),2)+Math.pow((t[4]-(n/k)),2)+
               Math.pow((t[5]-(n/k)),2)+Math.pow((t[6]-(n/k)),2)+
                           Math.pow((t[7]-(n/k)),2)+Math.pow((t[8]-(n/k)),2)+Math.pow((t[9]-(n/k)),2);
        double X9=sum*k/n;
                m1=(DefaultTableModel)intr.getModel();
                 m1.addRow(new Object[]{t[0],t[1],t[2],t[3],t[4],t[5],t[6],t[7],t[8],t[9]});
            if(X9>16.92){ 
                            etat_generateur.setForeground(Color.red);
                            etat_generateur.setText ("Mauvais générateur car :X9= "+X9+">16.92 (X² correspondante à 9 d.d.l au seuil 0.05)");
 
            }else{
                            etat_generateur.setForeground(Color.GREEN);
            etat_generateur.setText("Bon generateur(série uniforme sur [0,1]) car :X9= "+X9+"<16.92 (X² correspondante à 9 d.d.l au seuil 0.05)");
            for (int i = 0; i < seq_g_exp.size(); i++) {
                            if(i%10==0){m2=(DefaultTableModel)transformation.getModel();
                                        if(seq_g_exp.size()<i+2){
                                            m2.addRow(new Object[]{seq_g_exp.get(i),"","","","","","","","",""});
                                        }else if(seq_g_exp.size()<i+3)m2.addRow(new Object[]{seq_g_exp.get(i),seq_g_exp.get(i+1)
                                                ,"","","","","","","",""});
                                        else if(seq_g_exp.size()<i+4)m2.addRow(new Object[]{seq_g_exp.get(i),seq_g_exp.get(i+1)
                                                ,seq_g_exp.get(i+2),"","","","","","",""});
                                        else if(seq_g_exp.size()<i+5)m2.addRow(new Object[]{seq_g_exp.get(i),seq_g_exp.get(i+1)
                                                ,seq_g_exp.get(i+2),seq_g_exp.get(i+3),"","","","","",""});
                                        else if(seq_g_exp.size()<i+6)m2.addRow(new Object[]{seq_g_exp.get(i),seq_g_exp.get(i+1)
                                                ,seq_g_exp.get(i+2),seq_g_exp.get(i+3),seq_g_exp.get(i+4),"","","","",""});
                                        else if(seq_g_exp.size()<i+7)m2.addRow(new Object[]{seq_g_exp.get(i),seq_g_exp.get(i+1)
                                                ,seq_g_exp.get(i+2),seq_g_exp.get(i+3),seq_g_exp.get(i+4),seq_g_exp.get(i+5),
                                                "","","",""});
                                         else if(seq_g_exp.size()<i+8)m2.addRow(new Object[]{seq_g_exp.get(i),seq_g_exp.get(i+1)
                                                ,seq_g_exp.get(i+2),seq_g_exp.get(i+3),seq_g_exp.get(i+4),seq_g_exp.get(i+5),
                                                seq_g_exp.get(i+6),"","",""});
                                         else if(seq_g_exp.size()<i+9)m2.addRow(new Object[]{seq_g_exp.get(i),seq_g_exp.get(i+1)
                                                ,seq_g_exp.get(i+2),seq_g_exp.get(i+3),seq_g_exp.get(i+4),seq_g_exp.get(i+5),
                                                seq_g_exp.get(i+6),seq_g_exp.get(i+7),"",""});
                                         else if(seq_g_exp.size()<i+10)m2.addRow(new Object[]{seq_g_exp.get(i),seq_g_exp.get(i+1)
                                                ,seq_g_exp.get(i+2),seq_g_exp.get(i+3),seq_g_exp.get(i+4),seq_g_exp.get(i+5),
                                                seq_g_exp.get(i+6),seq_g_exp.get(i+7),seq_g_exp.get(i+8),""});
                                       else m2.addRow(new Object[]{seq_g_exp.get(i),seq_g_exp.get(i+1),
                                                    seq_g_exp.get(i+2),seq_g_exp.get(i+3),seq_g_exp.get(i+4),
                                                    seq_g_exp.get(i+5),seq_g_exp.get(i+6),seq_g_exp.get(i+7),
                                                    seq_g_exp.get(i+8),seq_g_exp.get(i+9)});}
            }
                        }
 
 
 
 
 
 
 
                        //2 reject :
                        int cpt=0,cpt1=1,j=0,t=0;boolean test;
                        while(j<=sequence.size()-2){
                            test=Tpsimulation.reject(sequence.get(j),
                                     sequence.get(j+1));
                            if(test==false){
                                cpt=cpt+1;
                                t++;
                            }
                             else {
                                cpt1=cpt1+1;
                                mz=(DefaultTableModel)zi.getModel();
                                mz.addRow(new Object[]{t});
                                t=0;
                            }
                            j=j+2;
                        }
                        mz.addRow(new Object[]{t});
                        if(cpt1==1)z.setText(z.getText()+"0");
                        else if(cpt==0)z.setText(z.getText()+"0");
                        else z.setText(z.getText()+String.valueOf((float)cpt/(cpt1-1)));
 
 
 
 
 
 
 
                        //3 composition :
                        j=0;
                        while(j<=sequence.size()-2){
                            compos_hyp_exp(sequence.get(j),sequence.get(j+1),(float)0.35,(float)0.5,(float)0.26,(float)0.46);
                            j=j+2;
                        }
                        m3.addRow(new Object[]{comp_temp});
                        res.setText(String.valueOf((float)comp_cmpt/comp_acc));
    }//GEN-LAST:event_jButton1MouseClicked
    public static int comp_acc=1,comp_cmpt=0,comp_temp=0;
    public static float Loi_Exp(float µ,float rand) {
        return (float) (-(1 / µ) * Math.log( 1-rand ));
    }
 
    static DefaultTableModel m3;
    float compos_hyp_exp(float u,float u2,float a1,float a2,float l1,float l2){
        m3=(DefaultTableModel)tab_composition.getModel();
       if(u<a1){
           comp_acc++;
           m3.addRow(new Object[]{comp_temp});
           comp_temp=0;
           return u2;
       }
       else {
           comp_cmpt++;
           comp_temp++;
           return (float) (l2*Math.log(u2));
 
       }
 
   }
    /**
     * @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 <a href="http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html" target="_blank">http://download.oracle.com/javase/tu...feel/plaf.html</a> 
         */
        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(panneau.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(panneau.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(panneau.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(panneau.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 panneau().setVisible(true);
            }
        });
    }
 
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JLabel etat_generateur;
    private javax.swing.JTable intr;
    private javax.swing.JButton jButton1;
    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.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JPanel jPanel3;
    private javax.swing.JPanel jPanel4;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JScrollPane jScrollPane3;
    private javax.swing.JScrollPane jScrollPane4;
    private javax.swing.JScrollPane jScrollPane5;
    private javax.swing.JTabbedPane jTabbedPane1;
    private javax.swing.JTable liste_aleatoire;
    private javax.swing.JLabel nb_moy;
    private javax.swing.JTextField rang_txt;
    private javax.swing.JLabel res;
    private javax.swing.JTable tab_composition;
    private javax.swing.JTable transformation;
    private javax.swing.JLabel z;
    private javax.swing.JTable zi;
    // End of variables declaration//GEN-END:variables
}

Quelqu'un saurait-il me l'expliquer ?

Merci d'avance pour votre aide.

26/12/2014, 23h44
francky74

Bonjour,

Tout d'abord, il faut que tu remplace fonction_random par Random comme ceci :

Code:

public Random r = new Random();

Ensuite, il y a une classe Tpsimulation qui est manquante dans ton code. C'est une classe qui à l'air de définir une fonction nommée "reject" (elle renvoie un booléen) et que seuls les créateurs de ce programme pourraient savoir le travail qu'elle effectue.

Citation:

Envoyé par jombo

Bonjour,

J'ai un programme en Java mais je ne le comprends pas

Pas étonnant vu le foutoir qu'est ce code. La partir importante, la grosse partie, se trouve dans jbutton1_clicked. Tout le reste c'est juste de la mise en place de l'interface dans un springlayout. Cette fenetre a visiblement plusieurs tables, et au click qur un bouton calcule des valeurs qu'elle met dans deux de ces tables: liste_aleatoire et transformation. Ce qu'elle met dedans, j'ai pas envie de me tartiner l'algo à la main pour comprendre. T'as qu'à lancer et essayer de deviner. Ou trouver l'andouille qui a pensé que ce serait une bonne idée d'écrire cette briques, sans la moindre documentation, avec des variables aux noms très explicite comme m1,m2,m3,...

En plus t'as de la chance, t'es tombé sur un expert du copier/coller. Chaque ligne se ressemble sans être exactement la même, ce qui n'aide pas à comprendre l'algo.

Pour te donner un exemple, ceci:

Code:

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 		for (int i = 0; i < rang; i++) {
 			temp = r.next();
 			if (temp < 0.1) t[0] = t[0] + 1;
 			if (temp < 0.2 && temp >= 0.1) t[1] = t[1] + 1;
 			if (temp < 0.3 && temp >= 0.2) t[2] = t[2] + 1;
 			if (temp < 0.4 && temp >= 0.3) t[3] = t[3] + 1;
 			if (temp < 0.5 && temp >= 0.4) t[4] = t[4] + 1;
 			if (temp < 0.6 && temp >= 0.5) t[5] = t[5] + 1;
 			if (temp < 0.7 && temp >= 0.6) t[6] = t[6] + 1;
 			if (temp < 0.8 && temp >= 0.7) t[7] = t[7] + 1;
 			if (temp < 0.9 && temp >= 0.8) t[8] = t[8] + 1;
 			if (temp < 1 && temp >= 0.9) t[9] = t[9] + 1;
 			sequence.add(temp);
 		}

aurait pu être écrit

Code:

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 		for (int i = 0; i < rang; i++) {
 			int randomIndex = r.nextInt(10);
 			t[index]++;
                        sequence.add(index/10.0f);
 		}

Ceci

Code:

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for (int i = 0; i < seq_g_exp.size(); i++) {
 				if (i % 10 == 0) {
 					m2 = (DefaultTableModel) transformation.getModel();
 					if (seq_g_exp.size() < i + 2) {
 						m2.addRow(new Object[] {
 							seq_g_exp.get(i), "", "", "", "", "", "", "", "", ""
 						});
 					} else if (seq_g_exp.size() < i + 3) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), "", "", "", "", "", "", "", ""
 					});
 					else if (seq_g_exp.size() < i + 4) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), seq_g_exp.get(i + 2), "", "", "", "", "", "", ""
 					});
 					else if (seq_g_exp.size() < i + 5) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), seq_g_exp.get(i + 2), seq_g_exp.get(i + 3), "", "", "", "", "", ""
 					});
 					else if (seq_g_exp.size() < i + 6) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), seq_g_exp.get(i + 2), seq_g_exp.get(i + 3), seq_g_exp.get(i + 4), "", "", "", "", ""
 					});
 					else if (seq_g_exp.size() < i + 7) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), seq_g_exp.get(i + 2), seq_g_exp.get(i + 3), seq_g_exp.get(i + 4), seq_g_exp.get(i + 5),
 							"", "", "", ""
 					});
 					else if (seq_g_exp.size() < i + 8) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), seq_g_exp.get(i + 2), seq_g_exp.get(i + 3), seq_g_exp.get(i + 4), seq_g_exp.get(i + 5),
 						seq_g_exp.get(i + 6), "", "", ""
 					});
 					else if (seq_g_exp.size() < i + 9) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), seq_g_exp.get(i + 2), seq_g_exp.get(i + 3), seq_g_exp.get(i + 4), seq_g_exp.get(i + 5),
 						seq_g_exp.get(i + 6), seq_g_exp.get(i + 7), "", ""
 					});
 					else if (seq_g_exp.size() < i + 10) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), seq_g_exp.get(i + 2), seq_g_exp.get(i + 3), seq_g_exp.get(i + 4), seq_g_exp.get(i + 5),
 						seq_g_exp.get(i + 6), seq_g_exp.get(i + 7), seq_g_exp.get(i + 8), ""
 					});
 					else m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1),
 						seq_g_exp.get(i + 2), seq_g_exp.get(i + 3), seq_g_exp.get(i + 4),
 						seq_g_exp.get(i + 5), seq_g_exp.get(i + 6), seq_g_exp.get(i + 7),
 						seq_g_exp.get(i + 8), seq_g_exp.get(i + 9)
 					});
 				}
 			}

aurait pu être écrit:

Code:

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public <T> T getOrDefault(List<T> list, int index, T defaut){
      if (list.size()>index)
        return list.get(index);
      else
        return defaut;
}
 
 				for (int i = 0; i < seq_g_exp.size(); i+=10) {
 					m2 = (DefaultTableModel) transformation.getModel();
                                        m2.addRow(new Object[] {
 							getOrDefault(seq_g_exp,i,""), 
 							getOrDefault(seq_g_exp,i+1,""),
 							getOrDefault(seq_g_exp,i+2,""),
 							getOrDefault(seq_g_exp,i+3,""),
 							getOrDefault(seq_g_exp,i+4,""),
 							getOrDefault(seq_g_exp,i+5,""),
 							getOrDefault(seq_g_exp,i+6,""),
 							getOrDefault(seq_g_exp,i+7,""),
 							getOrDefault(seq_g_exp,i+8,""),
 							getOrDefault(seq_g_exp,i+9,""),
 						});
 
 				}

Bref, toutes mes condoléances, tu ve devoir factoriser le code avant d'arriver à pouvoir le piger facilement :/

Citation:

Envoyé par francky74

Bonjour,

Tout d'abord, il faut que tu remplace fonction_random par Random comme ceci :

Code:

public Random r = new Random();

Ensuite, il y a une classe Tpsimulation qui est manquante dans ton code. C'est une classe qui à l'air de définir une fonction nommée "reject" (elle renvoie un booléen) et que seuls les créateurs de ce programme pourraient savoir le travail qu'elle effectue.

^

voici la classe qui manque

Code:

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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 tpsimulation;
 
/**
 *
 * @author OUSSAMA
 */
public class Tpsimulation {
 
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        new panneau().setVisible(true);
    }
   static boolean reject(float u,float y){
        double fx=Math.exp(-y)/2;
        double gx=0.5;
        if(u<=fx/gx)return true;
        else return false;
    }
 
 
}

il ya une autre classe dans la tp

Code:

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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 tpsimulation;
 
import java.util.Date;
 
/**
 *
 * @author OUSSAMA
 */
public class fonction_rand {
    final static int k = 1;//25173;
	final static int c = 22763267;//13849;
	final static int m = 1073741824;//32768;
	long x;
	//la racine de generateur (aleatoire)
	Date milli = new Date();
	long d=milli.getTime();//ou  System.currentTimeMillis();
	public fonction_rand() {
            x = d ;
	}
	float next() {
		x = (k * x + c) % m;
		return (float)x / m;
		}
}

pouvait vous expliquer

et merci pour l'aide que vous avez fait :merci::merci::merci:

27/12/2014, 23h31
francky74

Salut !

Ca va mieux avec ces autres classes.
Personnellement, je ne peux pas t'expliquer à quoi sert tout ce code .... j'en suis désolé mais mon niveau n'est pas assez développé pour que je puisse te donner une réponse correcte en peu de temps.

En plus il y a le côté "métier" de ton programme, c'est à dire que pour le comprendre avec précision, il faudrait connaître ce pour quoi il est destiné.

Apparemment, c'est un logiciel qui exécute un test de probabilité KHI2 à partir de nombre aléatoires .....

Est-ce que le programme fonctionne au moins chez toi ? on peux peut-être essayer de t'aider à le faire fonctionner correctement, ce qui pourra t'aider à suivre le programme en mlode "debug" !

:mrgreen:

Citation:

Envoyé par tchize_

Code:

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 		for (int i = 0; i < rang; i++) {
 			temp = r.next();
 			if (temp < 0.1) t[0] = t[0] + 1;
 			if (temp < 0.2 && temp >= 0.1) t[1] = t[1] + 1;
 			if (temp < 0.3 && temp >= 0.2) t[2] = t[2] + 1;
 			if (temp < 0.4 && temp >= 0.3) t[3] = t[3] + 1;
 			if (temp < 0.5 && temp >= 0.4) t[4] = t[4] + 1;
 			if (temp < 0.6 && temp >= 0.5) t[5] = t[5] + 1;
 			if (temp < 0.7 && temp >= 0.6) t[6] = t[6] + 1;
 			if (temp < 0.8 && temp >= 0.7) t[7] = t[7] + 1;
 			if (temp < 0.9 && temp >= 0.8) t[8] = t[8] + 1;
 			if (temp < 1 && temp >= 0.9) t[9] = t[9] + 1;
 			sequence.add(temp);
 		}

aurait pu être écrit

Code:

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 		for (int i = 0; i < rang; i++) {
 			int randomIndex = r.nextInt(10);
 			t[index]++;
                        sequence.add(index/10.0f);
 		}

Ceci

Code:

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for (int i = 0; i < seq_g_exp.size(); i++) {
 				if (i % 10 == 0) {
 					m2 = (DefaultTableModel) transformation.getModel();
 					if (seq_g_exp.size() < i + 2) {
 						m2.addRow(new Object[] {
 							seq_g_exp.get(i), "", "", "", "", "", "", "", "", ""
 						});
 					} else if (seq_g_exp.size() < i + 3) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), "", "", "", "", "", "", "", ""
 					});
 					else if (seq_g_exp.size() < i + 4) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), seq_g_exp.get(i + 2), "", "", "", "", "", "", ""
 					});
 					else if (seq_g_exp.size() < i + 5) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), seq_g_exp.get(i + 2), seq_g_exp.get(i + 3), "", "", "", "", "", ""
 					});
 					else if (seq_g_exp.size() < i + 6) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), seq_g_exp.get(i + 2), seq_g_exp.get(i + 3), seq_g_exp.get(i + 4), "", "", "", "", ""
 					});
 					else if (seq_g_exp.size() < i + 7) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), seq_g_exp.get(i + 2), seq_g_exp.get(i + 3), seq_g_exp.get(i + 4), seq_g_exp.get(i + 5),
 							"", "", "", ""
 					});
 					else if (seq_g_exp.size() < i + 8) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), seq_g_exp.get(i + 2), seq_g_exp.get(i + 3), seq_g_exp.get(i + 4), seq_g_exp.get(i + 5),
 						seq_g_exp.get(i + 6), "", "", ""
 					});
 					else if (seq_g_exp.size() < i + 9) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), seq_g_exp.get(i + 2), seq_g_exp.get(i + 3), seq_g_exp.get(i + 4), seq_g_exp.get(i + 5),
 						seq_g_exp.get(i + 6), seq_g_exp.get(i + 7), "", ""
 					});
 					else if (seq_g_exp.size() < i + 10) m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1), seq_g_exp.get(i + 2), seq_g_exp.get(i + 3), seq_g_exp.get(i + 4), seq_g_exp.get(i + 5),
 						seq_g_exp.get(i + 6), seq_g_exp.get(i + 7), seq_g_exp.get(i + 8), ""
 					});
 					else m2.addRow(new Object[] {
 						seq_g_exp.get(i), seq_g_exp.get(i + 1),
 						seq_g_exp.get(i + 2), seq_g_exp.get(i + 3), seq_g_exp.get(i + 4),
 						seq_g_exp.get(i + 5), seq_g_exp.get(i + 6), seq_g_exp.get(i + 7),
 						seq_g_exp.get(i + 8), seq_g_exp.get(i + 9)
 					});
 				}
 			}

aurait pu être écrit:

Code:

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public <T> T getOrDefault(List<T> list, int index, T defaut){
      if (list.size()>index)
        return list.get(index);
      else
        return defaut;
}
 
 				for (int i = 0; i < seq_g_exp.size(); i+=10) {
 					m2 = (DefaultTableModel) transformation.getModel();
                                        m2.addRow(new Object[] {
 							getOrDefault(seq_g_exp,i,""), 
 							getOrDefault(seq_g_exp,i+1,""),
 							getOrDefault(seq_g_exp,i+2,""),
 							getOrDefault(seq_g_exp,i+3,""),
 							getOrDefault(seq_g_exp,i+4,""),
 							getOrDefault(seq_g_exp,i+5,""),
 							getOrDefault(seq_g_exp,i+6,""),
 							getOrDefault(seq_g_exp,i+7,""),
 							getOrDefault(seq_g_exp,i+8,""),
 							getOrDefault(seq_g_exp,i+9,""),
 						});
 
 				}

Bref, toutes mes condoléances, tu ve devoir factoriser le code avant d'arriver à pouvoir le piger facilement :/

salut et merci pour votre premier reponce je vais poser des autre question a propos du code de programme si tu peux me repond et merci

1/ que ce que sa veut dire les code suivant :

Code:

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jLabel1 = new javax.swing.JLabel();
        rang_txt = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        jButton1 = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        liste_aleatoire = new javax.swing.JTable();
        jLabel3 = new javax.swing.JLabel();
        jScrollPane2 = new javax.swing.JScrollPane();
        intr = new javax.swing.JTable();
        jLabel4 = new javax.swing.JLabel();
        etat_generateur = new javax.swing.JLabel();
        jPanel1 = new javax.swing.JPanel();
        jTabbedPane1 = new javax.swing.JTabbedPane();
        jPanel2 = new javax.swing.JPanel();
        jScrollPane3 = new javax.swing.JScrollPane();
        transformation = new javax.swing.JTable();
        jLabel5 = new javax.swing.JLabel();
        jPanel3 = new javax.swing.JPanel();
        jScrollPane4 = new javax.swing.JScrollPane();
        zi = new javax.swing.JTable();
        z = new javax.swing.JLabel();
        jPanel4 = new javax.swing.JPanel();
        jScrollPane5 = new javax.swing.JScrollPane();
        tab_composition = new javax.swing.JTable();
        nb_moy = new javax.swing.JLabel();
        res = new javax.swing.JLabel();
 setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowOpened(java.awt.event.WindowEvent evt) {
                formWindowOpened(evt);

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jPanel2Layout.setVerticalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel2Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel5)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jScrollPane3, javax.swing.GroupLayout.DEFAULT_SIZE, 304, Short.MAX_VALUE))

Code:

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javax.swing.JLabel etat_generateur;
    private javax.swing.JTable intr;
    private javax.swing.JButton jButton1;
    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.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JPanel jPanel3;
    private javax.swing.JPanel jPanel4;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JScrollPane jScrollPane3;
    private javax.swing.JScrollPane jScrollPane4;
    private javax.swing.JScrollPane jScrollPane5;
    private javax.swing.JTabbedPane jTabbedPane1;
    private javax.swing.JTable liste_aleatoire;
    private javax.swing.JLabel nb_moy;
    private javax.swing.JTextField rang_txt;
    private javax.swing.JLabel res;
    private javax.swing.JTable tab_composition;
    private javax.swing.JTable transformation;
    private javax.swing.JLabel z;
    private javax.swing.JTable zi;

2/ pour quoi il répete cette condition ( tu peut verifier dans le code )

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jScrollPane3.setViewportView(transformation);
        if (transformation.getColumnModel().getColumnCount() > 0) {
            transformation.getColumnModel().getColumn(0).setResizable(false);
            transformation.getColumnModel().getColumn(1).setResizable(false);
            transformation.getColumnModel().getColumn(2).setResizable(false);
            transformation.getColumnModel().getColumn(3).setResizable(false);
            transformation.getColumnModel().getColumn(4).setResizable(false);
            transformation.getColumnModel().getColumn(5).setResizable(false);
            transformation.getColumnModel().getColumn(6).setResizable(false);
            transformation.getColumnModel().getColumn(7).setResizable(false);
            transformation.getColumnModel().getColumn(8).setResizable(false);
            transformation.getColumnModel().getColumn(9).setResizable(false);
        }

jai ajouter les autre classe dans le sujet c'est dans le commentaire de l'autre personne qui ma aider peuvez vous les regarder et expiquer svp
et finalement :merci::merci:

30/12/2014, 20h59
Sharcoux
1) Dans ton 3e bloc, il déclare les composants qu'il va utiliser pour l'interface graphique. Dans le premier bloc, il les initialise (il crée les objets si tu préfères). Dans le deuxième, il les range dans l'interface graphique.

2)Il n'y a qu'une seule condition, c'est que la table ne soit pas vide (getColumnCount()>0). Pas de répétition à priori. Par contre, si ta question c'est pourquoi il a écrit une ligne par colonne, c'est parce que la personne qui a écrit ce code ne sait pas ce que c'est qu'une boucle "for". Tu peux tout remplacer par
Code:

1 2 3 for(int i=0; i<transformation.getColumnModel().getColumnCount(); i++) { transformation.getColumnModel().getColumn(i).setResizable(false); }
Ah, et la prochaine fois que tu prends le code de quelqu'un, prends-le de quelqu'un qui connaît un peu le langage... Tu gagneras bcp de temps ;)