void installPopupMenu(String name, Program pgm) {
   Hashtable h = pgm.getMenus();
   if (h == null) return;
   String[] commands = (String[]) h.get(name);
   if (commands == null) return;
   PopupMenu popup = Menus.getPopupMenu();
   if (popup == null) return;
   popup.removeAll();
   for (int i = 0; i < commands.length; i++) {
     if (commands[i].equals("-")) popup.addSeparator();
     else {
       MenuItem mi = new MenuItem(commands[i]);
       mi.addActionListener(this);
       popup.add(mi);
     }
   }
 }
  Library() {
    super("Library Management");
    frame = this;
    try {
      UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
    } catch (Exception de) {
    }

    cp = getContentPane();
    cp.setLayout(null);

    // Adding TextArea in Panel
    jp1 = new JPanel(null, true);
    // t1=new
    // JTextField("|Name    "+"\t\t"+"  |Author"+"\t\t "+" |Publication   "+"\t"+"|Issue
    // "+"\t"+"|Return    "+"\t"+"|  Cutm. Id");
    // t1.setEditable(false);
    // t1.setBounds(0,0,600,20);
    // jp1.add(t1);

    MenuBar mb = new MenuBar();
    setMenuBar(mb);
    Menu menu2 = new Menu("Skins");
    MenuItem item4 = new MenuItem("Defualt Skin");
    MenuItem item5 = new MenuItem("Metal Skin");
    MenuItem item6 = new MenuItem("Modified Skin");
    // item5.setSelected(true);
    menu2.add(item4);
    menu2.add(item5);
    menu2.add(item6);
    mb.add(menu2);

    Menu menu21 = new Menu("Backup");
    MenuItem item61 = new MenuItem("Create Database Backup");
    menu21.add(item61);
    mb.add(menu21);

    // Menu menu1=new Menu("About");
    // MenuItem item1=new MenuItem("Help ?");
    // MenuItem item2=new MenuItem("Support ?");
    // MenuItem item3=new MenuItem("About Us ?");
    // menu1.add(item1);menu1.add(item2);menu1.add(item3);
    // mb.add(menu1);

    Menu menu212 = new Menu("Exit");
    MenuItem item612 = new MenuItem("Exit Form Library");
    menu212.add(item612);
    mb.add(menu212);

    int h = ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS;
    int v = ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS;

    Color re = new Color(122, 145, 201);

    mo1 = new DefaultListModel();
    list1 = new JList(mo1);
    ml1 = new JLabel("    Book's Name");
    ml1.setForeground(Color.red);
    ml1.setBounds(15, 0, 154, 20);
    list1.setBounds(15, 20, 154, 500);
    list1.setToolTipText("NAme of Book's Present in Database");
    jp1.add(ml1);
    jp1.add(list1);

    mo2 = new DefaultListModel();
    list2 = new JList(mo2);
    ml2 = new JLabel("   Author");
    ml2.setForeground(re);
    ml2.setBounds(140 + 30, 0, 99, 20);
    list2.setToolTipText("Name of Book Author's Present in Database");
    list2.setBounds(140 + 30, 20, 99, 900);
    jp1.add(ml2);
    jp1.add(list2);

    mo3 = new DefaultListModel();
    list3 = new JList(mo3);
    ml3 = new JLabel("   Publication");
    ml3.setForeground(re);
    ml3.setBounds(240 + 30, 0, 99, 20);
    list3.setToolTipText("Name of Book's Publication Present in Database");
    list3.setBounds(240 + 30, 20, 99, 500);
    jp1.add(ml3);
    jp1.add(list3);

    mo4 = new DefaultListModel();
    list4 = new JList(mo4);
    ml4 = new JLabel("  Issue Date");
    ml4.setForeground(re);
    ml4.setBounds(340 + 30, 0, 70, 20);
    list4.setToolTipText("Date of Issue Present in Database");
    list4.setBounds(340 + 30, 20, 70, 500);
    jp1.add(ml4);
    jp1.add(list4);

    mo5 = new DefaultListModel();
    list5 = new JList(mo5);
    ml5 = new JLabel("   Return Date");
    ml5.setForeground(re);
    ml5.setBounds(411 + 30, 0, 70, 20);
    list5.setToolTipText("Date of Return Present in Database");
    list5.setBounds(411 + 30, 20, 70, 500);
    jp1.add(ml5);
    jp1.add(list5);

    mo6 = new DefaultListModel();
    list6 = new JList(mo6);
    ml6 = new JLabel("   Cust. ID");
    ml6.setForeground(re);
    ml6.setBounds(482 + 30, 0, 60, 20);
    list6.setToolTipText("ID of customer that purchase the book last time ");
    list6.setBounds(482 + 30, 20, 60, 500);
    jp1.add(ml6);
    jp1.add(list6);

    // a1=new JTextArea();
    // a1.setText("|Name    "+"\t\t\t"+"  |Author"+"\t\t\t"+" |Publication   "+"\t\t"+"|Issue
    // "+"\t\t"+"|Return    "+"\t\t"+"|  Cutm. Id");
    // a1.setEditable(false);
    // JScrollPane scroll=new JScrollPane(a1,v,h);
    // scroll.setBounds(0,20,600,578);
    // jp1.add(scroll);

    for (int x = 1; x < 100; x++) {
      sr = new JLabel(x + "\n");
      sr.setForeground(re);
      sr.setBounds(0, 20, 10, 500);
      jp1.add(sr);
    }

    // jp1.setBackground(Color.black);
    JScrollPane nm = new JScrollPane(jp1, v, h);
    nm.setBounds(10, 20, 600, 500);
    cp.add(nm);

    jp2 = new JPanel(null, true);

    b1 = new JButton("Add Book");
    b1.setBounds(10, 10, 120, 25);
    jp2.add(b1);

    b2 = new JButton("Delete Book");
    b2.setBounds(10, 45, 120, 25);
    jp2.add(b2);

    b3 = new JButton("View Book Details");
    b3.setBounds(10, 80, 120, 25);
    jp2.add(b3);

    b4 = new JButton("View All Book's");
    b4.setBounds(10, 115, 120, 25);
    jp2.add(b4);

    Color r = new Color(122, 145, 201);
    jp2.setBackground(r);
    jp2.setBounds(630, 20, 160, 145);
    cp.add(jp2);

    jp3 = new JPanel(null, true);

    t1 = new JTextField();
    t1.setBounds(10, 10, 120, 20);
    jp3.add(t1);
    t1.setToolTipText("Find The Book By Book Name. It is Advaced Search System");

    b5 = new JButton("Search Book Name");
    b5.setBounds(05, 35, 130, 20);
    jp3.add(b5);
    // b5.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,Event.CTRL_MASK));
    b5.setMnemonic(KeyEvent.VK_N);

    JLabel lk = new JLabel("__________________________________");
    lk.setForeground(Color.black);
    lk.setBounds(0, 50, 160, 6);
    jp3.add(lk);

    t14 = new JTextField();
    t14.setBounds(10, 60, 120, 20);
    jp3.add(t14);
    t14.setToolTipText("Find The Book By Author Name. It is Advaced Search System");

    b10 = new JButton("Search Author");
    b10.setBounds(05, 85, 130, 20);
    jp3.add(b10);

    // b10.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_a,Event.CTRL_MASK));
    b10.setMnemonic(KeyEvent.VK_N);

    Color r1 = new Color(122, 145, 201);
    jp3.setBackground(r1);
    jp3.setBounds(630, 180, 160, 115);
    cp.add(jp3);

    jp4 = new JPanel(null, true);

    b15 = new JButton("Add Customer");
    b15.setBounds(10, 05, 120, 25);
    jp4.add(b15);

    b6 = new JButton("View all Cotumers");
    b6.setBounds(10, 35, 120, 25);
    jp4.add(b6);

    t2 = new JTextField();
    t2.setBounds(10, 65, 120, 20);
    t2.setToolTipText("Find The Customer Information. It is Advaced Search System");
    jp4.add(t2);

    b7 = new JButton("Search");
    b7.setBounds(05, 90, 130, 20);
    jp4.add(b7);

    b8 = new JButton("Delete Costumer");
    b8.setBounds(10, 115, 120, 25);
    jp4.add(b8);

    b9 = new JButton("View Cust. Details");
    b9.setBounds(10, 150, 120, 25);
    jp4.add(b9);

    Color r3 = new Color(122, 145, 201);
    jp4.setBackground(r3);
    jp4.setBounds(630, 305, 160, 180);
    cp.add(jp4);

    b_no = new JLabel();
    b_no.setForeground(Color.red);
    b_no.setBounds(150, 0, 150, 20);
    cp.add(b_no);

    progress1 = new JProgressBar();
    progress1.setBackground(re);
    progress1.setBounds(630, 490, 150, 25);
    cp.add(progress1);

    try {
      rd1 = new FileReader("Database/pointer.mmm");
      read1 = new JTextField();
      read1.read(rd1, null);
      int count = Integer.parseInt(read1.getText());
      int total = count - 1;
      int blk = 0;
      rd1.close();

      for (int i = 1; i < count; i++) {
        rd1 = new FileReader("Database/" + i + ".name");
        read1 = new JTextField();
        read1.read(rd1, null);
        if (!read1.getText().equals("")) {
          blk++;
          b_no.setText("Total Books = " + blk + " (Book's)");
          mo1.addElement(read1.getText() + "");
          rd1.close();

          int per = i * 100 / total;
          progress1.setValue(per);

          rd1 = new FileReader("Database/" + i + ".author");
          read1 = new JTextField();
          read1.read(rd1, null);
          mo2.addElement(read1.getText() + "");
          rd1.close();

          rd1 = new FileReader("Database/" + i + ".publication");
          read1 = new JTextField();
          read1.read(rd1, null);
          mo3.addElement(read1.getText() + "");
          rd1.close();

          rd1 = new FileReader("Database/" + i + ".issue");
          read1 = new JTextField();
          read1.read(rd1, null);
          if (!read1.getText().equals("")) {
            mo4.addElement(read1.getText() + "");
          } else {
            mo4.addElement(read1.getText() + "   -");
          }
          rd1.close();

          rd1 = new FileReader("Database/" + i + ".return");
          read1 = new JTextField();
          read1.read(rd1, null);
          mo5.addElement(read1.getText() + "");
          rd1.close();

          rd1 = new FileReader("Database/" + i + ".id");
          read1 = new JTextField();
          read1.read(rd1, null);
          mo6.addElement(read1.getText() + "");
          rd1.close();
        }
      }
    } catch (Exception der) {
      a1.setText("Error Occurs: \n" + der);
    }

    // Source code for searching the book's from Database
    // it search book by name of book,author,publication
    // it work when you don't know about any thing than press any
    // keyword to find book/
    // eg: if you have book name that publish by that publication which
    // starts from "c"
    // then you press only "c" in search it show you all Books that start
    // with "c" ,Author "c" and publication that start "c" .

    // Warning:
    // Don't Modify the code without knowledge of full source code
    // Author : Pravin Rane

    b5.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            try {
              int bs1 = 0;
              progress1.setValue(0);
              mo1.removeAllElements();
              mo2.removeAllElements();
              mo3.removeAllElements();
              mo4.removeAllElements();
              mo5.removeAllElements();
              mo6.removeAllElements();

              ml1.setText("Book Name");
              ml2.setText("Author");
              ml3.setText("Publication");
              ml4.setText("Issue Date");
              ml5.setText("Return Date");
              ml6.setText("Cust. ID.");

              if (!t1.getText().equals("")) {
                rd1 = new FileReader("Database/pointer.mmm");
                read1 = new JTextField();
                read1.read(rd1, null);
                int no = Integer.parseInt(read1.getText());
                rd1.close();

                int len = t1.getText().length();
                for (int k = 0; k < len; k++) {
                  char ch = t1.getText().charAt(k);
                  stra1 = stra1 + ch;
                  // System.out.println(stra1+"");
                }

                for (int v = 1; v < no; v++) {
                  name11 = "";
                  author11 = "";
                  publication11 = "";
                  progress1.setMaximum(no);

                  int per = v * 100 / no;
                  progress1.updateUI();
                  progress1.setValue(per);

                  FileReader re1 = new FileReader("Database/" + v + ".name");
                  JTextField jt1 = new JTextField();
                  jt1.read(re1, null);
                  String name = jt1.getText();
                  re1.close();

                  FileReader re2 = new FileReader("Database/" + v + ".author");
                  JTextField jt2 = new JTextField();
                  jt2.read(re2, null);
                  String author = jt2.getText();
                  re2.close();

                  FileReader re3 = new FileReader("Database/" + v + ".publication");
                  JTextField jt3 = new JTextField();
                  jt3.read(re3, null);
                  String publication = jt3.getText();
                  re3.close();
                  find = v;

                  try {
                    for (int z = 0; z < len; z++) {

                      name11 = name11 + name.charAt(z);

                      // author11=author11+author.charAt(z);
                      // System.out.println(author11+"");
                      publication11 = publication11 + publication.charAt(z);
                      if (z == (len - 1)) {
                        // System.out.println(name11+"");
                        // System.out.println(publication11+"");
                      }
                    }

                  } catch (Exception def) {
                  }

                  if (name.toLowerCase().equals(t1.getText())
                      || name.toUpperCase().equals(t1.getText())
                      || author.toLowerCase().equals(t1.getText())
                      || author.toUpperCase().equals(t1.getText())
                      || publication.toLowerCase().equals(t1.getText())
                      || publication.toUpperCase().equals(t1.getText())) {
                    bs1++;
                    rd1 = new FileReader("Database/" + find + ".name");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo1.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".author");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo2.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".publication");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo3.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".issue");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo4.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".return");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo5.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".id");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo6.addElement(read1.getText() + "");
                    rd1.close();

                  } else if (publication11.toLowerCase().equals(t1.getText())
                      || author11.toLowerCase().equals(t1.getText())
                      || name11.toLowerCase().equals(t1.getText())
                      || publication11.toUpperCase().equals(t1.getText())
                      || author11.toUpperCase().equals(t1.getText())
                      || name11.toUpperCase().equals(t1.getText())) {
                    bs1++;

                    rd1 = new FileReader("Database/" + find + ".name");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo1.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".author");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo2.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".publication");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo3.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".issue");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo4.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".return");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo5.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".id");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo6.addElement(read1.getText() + "");
                    rd1.close();
                  }

                  b_no.setText("Total Book Found =" + bs1 + " (Book's)");
                }

              } else {
                progress1.setValue(0);
                JOptionPane.showMessageDialog(
                    (Component) null,
                    "Please Enter the Book Name or Publcation",
                    "Library Management(Pravin Rane)",
                    JOptionPane.OK_OPTION);
                b_no.setText("User Input Error!");
              }

            } catch (Exception der) {
              System.out.println("Error:" + der);
            }
          }
        });

    b10.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            try {
              int bs2 = 0;
              progress1.setValue(0);
              mo1.removeAllElements();
              mo2.removeAllElements();
              mo3.removeAllElements();
              mo4.removeAllElements();
              mo5.removeAllElements();
              mo6.removeAllElements();

              ml1.setText("Book Name");
              ml2.setText("Author");
              ml3.setText("Publication");
              ml4.setText("Issue Date");
              ml5.setText("Return Date");
              ml6.setText("Cust. ID.");

              if (!t14.getText().equals("")) {

                rd1 = new FileReader("Database/pointer.mmm");
                read1 = new JTextField();
                read1.read(rd1, null);
                int no = Integer.parseInt(read1.getText());
                rd1.close();

                int len = t14.getText().length();
                for (int k = 0; k < len; k++) {
                  char ch = t14.getText().charAt(k);
                  stra1 = stra1 + ch;
                  // System.out.println(stra1+"");
                }

                for (int v = 1; v < no; v++) {
                  name11 = "";
                  author11 = "";
                  publication11 = "";
                  progress1.setMaximum(no);

                  int per = v * 100 / no;
                  progress1.updateUI();
                  progress1.setValue(per);

                  FileReader re1 = new FileReader("Database/" + v + ".name");
                  JTextField jt1 = new JTextField();
                  jt1.read(re1, null);
                  String name = jt1.getText();
                  re1.close();

                  FileReader re2 = new FileReader("Database/" + v + ".author");
                  JTextField jt2 = new JTextField();
                  jt2.read(re2, null);
                  String author = jt2.getText();
                  re2.close();

                  FileReader re3 = new FileReader("Database/" + v + ".publication");
                  JTextField jt3 = new JTextField();
                  jt3.read(re3, null);
                  String publication = jt3.getText();
                  re3.close();
                  find = v;

                  try {
                    for (int z = 0; z < len; z++) {

                      // name11=name11+name.charAt(z);

                      author11 = author11 + author.charAt(z);
                      // System.out.println(author11+"");
                      // publication11=publication11+publication.charAt(z);
                      if (z == (len - 1)) {
                        // System.out.println(name11+"");
                        // System.out.println(publication11+"");
                      }
                    }

                  } catch (Exception def) {
                  }

                  if (author.toLowerCase().equals(t14.getText())
                      || author.toUpperCase().equals(t14.getText())) {
                    bs2++;
                    rd1 = new FileReader("Database/" + find + ".name");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo1.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".author");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo2.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".publication");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo3.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".issue");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo4.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".return");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo5.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".id");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo6.addElement(read1.getText() + "");
                    rd1.close();

                  } else if (author11.toLowerCase().equals(t14.getText())
                      || author11.toUpperCase().equals(t14.getText())) {
                    bs2++;

                    rd1 = new FileReader("Database/" + find + ".name");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo1.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".author");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo2.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".publication");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo3.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".issue");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo4.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".return");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo5.addElement(read1.getText() + "");
                    rd1.close();

                    rd1 = new FileReader("Database/" + find + ".id");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    mo6.addElement(read1.getText() + "");
                    rd1.close();
                  }

                  b_no.setText("Total Book Found =" + bs2 + " (Book's)");
                }
              } else {
                progress1.setValue(0);
                b_no.setText("User Input Error!");
                JOptionPane.showMessageDialog(
                    (Component) null,
                    "Please Enter the Book Author name",
                    "Library Management(Pravin Rane)",
                    JOptionPane.OK_OPTION);
              }
            } catch (Exception der) {
              System.out.println("Error:" + der);
            }
          }
        });

    // End of Serching Book
    // Author : Pravin Rane

    // it use to aplly the skins to UserInteface
    // there are three skins Default which is Windows Skin
    // Metal skin and modified skin.
    // apply it as oer ur requirment.
    // Author : Pravin H. Rane

    item4.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            try {
              UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
              SwingUtilities.updateComponentTreeUI(frame);
            } catch (Exception dert) {
              System.out.println(dert);
            }
          }
        });

    item5.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            try {
              UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
              SwingUtilities.updateComponentTreeUI(frame);
            } catch (Exception dert) {
              System.out.println(dert);
            }
          }
        });

    item6.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            try {
              UIManager.setLookAndFeel("com.sun.java.swing.plaf.motif.MotifLookAndFeel");
              SwingUtilities.updateComponentTreeUI(frame);
            } catch (Exception dert) {
              System.out.println(dert);
            }
          }
        });

    item61.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            try {
              Date d = new Date();
              int my1 = d.getDate();
              int my2 = d.getMonth();

              FileDialog fd =
                  new FileDialog(frame, "Save Database Backup File (Library Management )");
              fd.setMode(FileDialog.SAVE);
              fd.setFile("Database" + my1 + "." + my2 + ".rar");
              fd.setVisible(true);
              String dir = fd.getDirectory();
              String path = fd.getFile();

              String command = "jar cvf Database1.rar Database/*.*";
              Runtime r = Runtime.getRuntime();
              r.exec(command);

              String command2 = "jar cvf  Database2.rar Cust_Details/*.*";
              Runtime r2 = Runtime.getRuntime();
              r2.exec(command2);

              try {
                Thread.sleep(1000);
              } catch (Exception fr) {
              }
              String command3 = "jar cvf " + dir + path + " Database1.rar  Database2.rar";
              Runtime r3 = Runtime.getRuntime();
              r3.exec(command3);

              System.out.println("Database Backup Sucessfully!");

            } catch (Exception dert) {
              System.out.println(dert);
            }
          }
        });

    item612.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            System.exit(0);
          }
        });

    // End Of Applyinf Skin to UInterface

    // This Button show the details of Book's
    // that specified when the book is adding in the database
    // you can modify the details of book.
    // Author : Pravin H. Rane

    b3.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            try {
              // view v=new view(String str,string info,boolean val);

            } catch (Exception der) {
            }
          }
        });

    // End of book details

    b15.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            Addcust ad = new Addcust();
            ad.setVisible(true);
            ad.setSize(380, 400);
            ad.setLocation(80, 140);
          }
        });

    // it show all book's available in database
    // it dosn't sort book by sequensely
    // you can modify the code for sorting the book as per your requirement
    // Author : Pravin

    b1.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            addBook a = new addBook();
          }
        });

    b4.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {

            try {
              mo1.removeAllElements();
              mo2.removeAllElements();
              mo3.removeAllElements();
              mo4.removeAllElements();
              mo5.removeAllElements();
              mo6.removeAllElements();

              ml1.setText("Book Name");
              ml2.setText("Author");
              ml3.setText("Publication");
              ml4.setText("Issue Date");
              ml5.setText("Return Date");
              ml6.setText("Cust. ID.");
              int za = 0;

              rd1 = new FileReader("Database/pointer.mmm");
              read1 = new JTextField();
              read1.read(rd1, null);
              int count = Integer.parseInt(read1.getText());
              int total = count - 1;

              rd1.close();

              for (int i = 1; i < count; i++) {

                rd1 = new FileReader("Database/" + i + ".name");
                read1 = new JTextField();
                read1.read(rd1, null);
                if (!read1.getText().equals("")) {
                  za++;
                  b_no.setText("Total Books = " + za + " (Book's)");
                  mo1.addElement(read1.getText() + "");
                  rd1.close();

                  progress1.setMaximum(total);
                  int per = i * 100 / total;
                  progress1.setValue(per);

                  rd1 = new FileReader("Database/" + i + ".author");
                  read1 = new JTextField();
                  read1.read(rd1, null);
                  mo2.addElement(read1.getText() + "");
                  rd1.close();

                  rd1 = new FileReader("Database/" + i + ".publication");
                  read1 = new JTextField();
                  read1.read(rd1, null);
                  mo3.addElement(read1.getText() + "");
                  rd1.close();

                  rd1 = new FileReader("Database/" + i + ".issue");
                  read1 = new JTextField();
                  read1.read(rd1, null);
                  if (!read1.getText().equals("")) {
                    mo4.addElement(read1.getText() + "");
                  } else {
                    mo4.addElement(read1.getText() + "   _");
                  }
                  rd1.close();

                  rd1 = new FileReader("Database/" + i + ".return");
                  read1 = new JTextField();
                  read1.read(rd1, null);
                  mo5.addElement(read1.getText() + "");
                  rd1.close();

                  rd1 = new FileReader("Database/" + i + ".id");
                  read1 = new JTextField();
                  read1.read(rd1, null);
                  mo6.addElement(read1.getText() + "");
                  rd1.close();

                  progress1.setValue(100);
                }
              }
            } catch (Exception der) {
              a1.setText("Error Occurs: \n" + der);
            }
          }
        });
    // End of View all Book's

    // This source code is used to show information of all customers
    // Author :Pravin Rane

    b6.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            try {

              ml1.setText("Cust. ID");
              ml2.setText("Cust. Name");
              ml3.setText("Registration Date");
              ml4.setText("Book Name");
              ml5.setText("Purchase Date");
              ml6.setText("Return Date");

              int z12 = 0;

              mo1.removeAllElements();
              mo2.removeAllElements();
              mo3.removeAllElements();
              mo4.removeAllElements();
              mo5.removeAllElements();
              mo6.removeAllElements();

              rd2 = new FileReader("Cust_Details/pointer.mmm");
              jt2 = new JTextField();
              jt2.read(rd2, null);
              rd2.close();

              int no = Integer.parseInt(jt2.getText());
              int tt = no - 1;
              // b_no.setText("Total Customer's :"+tt );

              for (int v = 1; v < no; v++) {

                rd2 = new FileReader("Cust_Details/Cus" + v + ".id");
                jt2 = new JTextField();
                jt2.read(rd2, null);
                if (!jt2.getText().equals("")) {
                  z12++;
                  b_no.setText("Total Customers = " + z12);
                  mo1.addElement(jt2.getText() + "");
                  rd2.close();

                  rd2 = new FileReader("Cust_Details/Cus" + v + ".name");
                  jt2 = new JTextField();
                  jt2.read(rd2, null);
                  mo2.addElement(jt2.getText() + "");
                  rd2.close();

                  rd2 = new FileReader("Cust_Details/Cus" + v + ".date");
                  jt2 = new JTextField();
                  jt2.read(rd2, null);
                  mo3.addElement(jt2.getText() + "");
                  rd2.close();

                  rd2 = new FileReader("Cust_Details/Cus" + v + ".bname");
                  jt2 = new JTextField();
                  jt2.read(rd2, null);
                  if (!jt2.getText().equals("")) {
                    mo4.addElement(jt2.getText() + "");
                  } else {
                    mo4.addElement(jt2.getText() + "   _");
                  }
                  rd2.close();

                  rd2 = new FileReader("Cust_Details/Cus" + v + ".purchase");
                  jt2 = new JTextField();
                  jt2.read(rd2, null);
                  if (!jt2.getText().equals("")) {
                    mo5.addElement(jt2.getText() + "");
                  } else {
                    mo5.addElement(jt2.getText() + "   _");
                  }
                  rd2.close();

                  rd2 = new FileReader("Cust_Details/Cus" + v + ".return");
                  jt2 = new JTextField();
                  jt2.read(rd2, null);
                  if (!jt2.getText().equals("")) {
                    mo6.addElement(jt2.getText() + "");
                  } else {
                    mo6.addElement(jt2.getText() + "   _");
                  }
                  rd2.close();
                }
              }

            } catch (Exception ser) {
              System.out.println(ser);
            }
          }
        });
    // End of showing customer's Info.

    b9.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            try {

              int ad = list1.getSelectedIndex();
              String str = (String) mo1.getElementAt(ad);

              System.out.println(str);

              cust_detail d = new cust_detail(str);
              d.setVisible(true);
              d.setSize(300, 550);
              d.setLocation(100, 0);
            } catch (Exception fr) {
              JOptionPane.showMessageDialog(
                  (Component) null,
                  "Please Select Customer ID from List of Cust. ID. ",
                  "Library Management(Pravin Rane)",
                  JOptionPane.OK_OPTION);
              try {
                ml1.setText("Cust. ID");
                ml2.setText("Cust. Name");
                ml3.setText("Registration Date");
                ml4.setText("Book Name");
                ml5.setText("Purchase Date");
                ml6.setText("Return Date");

                mo1.removeAllElements();
                mo2.removeAllElements();
                mo3.removeAllElements();
                mo4.removeAllElements();
                mo5.removeAllElements();
                mo6.removeAllElements();

                rd2 = new FileReader("Cust_Details/pointer.mmm");
                jt2 = new JTextField();
                jt2.read(rd2, null);
                rd2.close();
                int no = Integer.parseInt(jt2.getText());

                for (int v = 1; v < no; v++) {
                  rd2 = new FileReader("Cust_Details/Cus" + v + ".id");
                  jt2 = new JTextField();
                  jt2.read(rd2, null);
                  mo1.addElement(jt2.getText() + "");
                  rd2.close();

                  rd2 = new FileReader("Cust_Details/Cus" + v + ".name");
                  jt2 = new JTextField();
                  jt2.read(rd2, null);
                  mo2.addElement(jt2.getText() + "");
                  rd2.close();

                  rd2 = new FileReader("Cust_Details/Cus" + v + ".date");
                  jt2 = new JTextField();
                  jt2.read(rd2, null);
                  mo3.addElement(jt2.getText() + "");
                  rd2.close();

                  rd2 = new FileReader("Cust_Details/Cus" + v + ".bname");
                  jt2 = new JTextField();
                  jt2.read(rd2, null);
                  if (!jt2.getText().equals("")) {
                    mo4.addElement(jt2.getText() + "");
                  } else {
                    mo4.addElement(jt2.getText() + "   _");
                  }
                  rd2.close();

                  rd2 = new FileReader("Cust_Details/Cus" + v + ".purchase");
                  jt2 = new JTextField();
                  jt2.read(rd2, null);
                  if (!jt2.getText().equals("")) {
                    mo5.addElement(jt2.getText() + "");
                  } else {
                    mo5.addElement(jt2.getText() + "   _");
                  }
                  rd2.close();

                  rd2 = new FileReader("Cust_Details/Cus" + v + ".return");
                  jt2 = new JTextField();
                  jt2.read(rd2, null);
                  if (!jt2.getText().equals("")) {
                    mo6.addElement(jt2.getText() + "");
                  } else {
                    mo6.addElement(jt2.getText() + "   _");
                  }
                  rd2.close();
                }
              } catch (Exception fg) {
              }
            }
          }
        });

    b7.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            String mysearchid = t2.getText();
            try {
              ml1.setText("Cust. ID");
              ml2.setText("Cust. Name");
              ml3.setText("Registration Date");
              ml4.setText("Book Name");
              ml5.setText("Purchase Date");
              ml6.setText("Return Date");

              mo1.removeAllElements();
              mo2.removeAllElements();
              mo3.removeAllElements();
              mo4.removeAllElements();
              mo5.removeAllElements();
              mo6.removeAllElements();

              if (!t2.getText().equals("")) {
                rd2 = new FileReader("Cust_Details/pointer.mmm");
                jt2 = new JTextField();
                jt2.read(rd2, null);
                rd2.close();
                int no = Integer.parseInt(jt2.getText());

                int len3 = t2.getText().length();

                for (int v = 1; v < no; v++) {
                  name22 = "";
                  int lg = 0;
                  rd2 = new FileReader("Cust_Details/Cus" + v + ".id");
                  jt2 = new JTextField();
                  jt2.read(rd2, null);
                  // mo1.addElement(jt2.getText()+"");
                  String s1 = jt2.getText();
                  rd2.close();

                  rd2 = new FileReader("Cust_Details/Cus" + v + ".name");
                  jt2 = new JTextField();
                  jt2.read(rd2, null);
                  // mo2.addElement(jt2.getText()+"");
                  String s2 = jt2.getText();
                  rd2.close();

                  for (int z = 0; z < len3; z++) {
                    name22 = name22 + s2.charAt(z);
                  }

                  if (s1.toLowerCase().equals(mysearchid)
                      || s1.toUpperCase().equals(mysearchid)
                      || s2.toLowerCase().equals(mysearchid)
                      || s2.toUpperCase().equals(mysearchid)
                      || name22.toUpperCase().equals(mysearchid)
                      || name22.toLowerCase().equals(mysearchid)) {
                    lg++;
                    b_no.setText("Customer Found :" + lg);
                    rd2 = new FileReader("Cust_Details/Cus" + v + ".id");
                    jt2 = new JTextField();
                    jt2.read(rd2, null);
                    mo1.addElement(jt2.getText() + "");
                    rd2.close();

                    rd2 = new FileReader("Cust_Details/Cus" + v + ".name");
                    jt2 = new JTextField();
                    jt2.read(rd2, null);
                    mo2.addElement(jt2.getText() + "");
                    rd2.close();

                    rd2 = new FileReader("Cust_Details/Cus" + v + ".date");
                    jt2 = new JTextField();
                    jt2.read(rd2, null);
                    mo3.addElement(jt2.getText() + "");
                    rd2.close();

                    rd2 = new FileReader("Cust_Details/Cus" + v + ".bname");
                    jt2 = new JTextField();
                    jt2.read(rd2, null);
                    if (!jt2.getText().equals("")) {
                      mo4.addElement(jt2.getText() + "");
                    } else {
                      mo4.addElement(jt2.getText() + "   _");
                    }
                    rd2.close();

                    rd2 = new FileReader("Cust_Details/Cus" + v + ".purchase");
                    jt2 = new JTextField();
                    jt2.read(rd2, null);
                    if (!jt2.getText().equals("")) {
                      mo5.addElement(jt2.getText() + "");
                    } else {
                      mo5.addElement(jt2.getText() + "   _");
                    }
                    rd2.close();

                    rd2 = new FileReader("Cust_Details/Cus" + v + ".return");
                    jt2 = new JTextField();
                    jt2.read(rd2, null);
                    if (!jt2.getText().equals("")) {
                      mo6.addElement(jt2.getText() + "");
                    } else {
                      mo6.addElement(jt2.getText() + "   _");
                    }
                    rd2.close();
                  }
                }
              } else {
                progress1.setValue(0);
                b_no.setText("User Input Error!");
                JOptionPane.showMessageDialog(
                    (Component) null,
                    "Please Enter Customer Id or Name",
                    "Library Management(Pravin Rane)",
                    JOptionPane.OK_OPTION);
              }

            } catch (Exception de) {
            }
          }
        });

    b2.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            int ad = list1.getSelectedIndex();
            String str99 = (String) mo1.getElementAt(ad);
            try {

              rd2 = new FileReader("Database/pointer.mmm");
              jt2 = new JTextField();
              jt2.read(rd2, null);
              rd2.close();
              int nom = Integer.parseInt(jt2.getText());

              for (int count2 = 1; count2 < nom; count2++) {
                rd1 = new FileReader("Database/" + count2 + ".name");
                read1 = new JTextField();
                read1.read(rd1, null);
                rd1.close();

                if (read1.getText().equals(str99)) {
                  wr1 = new FileWriter("Database/" + count2 + ".name");
                  wr1.write("");
                  wr1.close();

                  wr1 = new FileWriter("Database/" + count2 + ".author");
                  wr1.write("");
                  wr1.close();

                  wr1 = new FileWriter("Database/" + count2 + ".publication");
                  wr1.write("");
                  wr1.close();

                  wr1 = new FileWriter("Database/" + count2 + ".issue");
                  wr1.write("");
                  wr1.close();

                  wr1 = new FileWriter("Database/" + count2 + ".return");
                  wr1.write("");
                  wr1.close();

                  wr1 = new FileWriter("Database/" + count2 + ".detail");
                  wr1.write("");
                  wr1.close();

                  wr1 = new FileWriter("Database/" + count2 + ".id");
                  wr1.write("");
                  wr1.close();
                  try {
                    Library lbc = new Library();
                    setVisible(false);
                    lbc.setVisible(true);
                    lbc.setSize(800, 600);
                  } catch (Exception de) {
                  }
                }
              }

            } catch (Exception fr) {
              System.out.println(fr);
            }
          }
        });

    b3.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            try {
              int ad = list1.getSelectedIndex();
              String str34 = (String) mo1.getElementAt(ad);

              jf55 = new JFrame("Book Details");
              jf55.setVisible(true);
              jf55.setLayout(null);
              jf55.setLocation(160, 180);

              JTextArea ak47 = new JTextArea();
              ak47.setEditable(false);
              ak47.setText(
                  "Book Details" + "\n" + "**************************************************");
              ak47.setBounds(10, 10, 250, 250);
              jf55.add(ak47);

              Button b1 = new Button("Ok");
              b1.setBounds(80, 270, 100, 25);
              jf55.add(b1);
              b1.addActionListener(
                  new ActionListener() {
                    public void actionPerformed(ActionEvent e) {
                      jf55.setVisible(false);
                    }
                  });

              jf55.setSize(285, 335);

              rd2 = new FileReader("Database/pointer.mmm");
              jt2 = new JTextField();
              jt2.read(rd2, null);
              rd2.close();
              int nov = Integer.parseInt(jt2.getText());

              for (int i = 1; i < nov; i++) {
                rd1 = new FileReader("Database/" + i + ".name");
                read1 = new JTextField();
                read1.read(rd1, null);
                String hj = read1.getText();
                rd1.close();

                if (hj.equals(str34)) {
                  rd1 = new FileReader("Database/" + i + ".name");
                  read1 = new JTextField();
                  read1.read(rd1, null);
                  if (!read1.getText().equals("")) {
                    ak47.setText(ak47.getText() + "\n" + "Book Name :" + read1.getText());
                    rd1.close();

                    rd1 = new FileReader("Database/" + i + ".author");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    ak47.setText(ak47.getText() + "\n" + "Book Author :" + read1.getText());
                    rd1.close();

                    rd1 = new FileReader("Database/" + i + ".publication");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    ak47.setText(ak47.getText() + "\n" + "Book Publication :" + read1.getText());
                    rd1.close();

                    rd1 = new FileReader("Database/" + i + ".issue");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    if (!read1.getText().equals("")) {
                      ak47.setText(ak47.getText() + "\n" + "Issue Date :" + read1.getText());
                    } else {
                      ak47.setText(ak47.getText() + "\n" + "Issue Date : None");
                    }
                    rd1.close();

                    rd1 = new FileReader("Database/" + i + ".return");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    ak47.setText(ak47.getText() + "\n" + "Return Date :" + read1.getText());
                    rd1.close();

                    rd1 = new FileReader("Database/" + i + ".id");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    ak47.setText(ak47.getText() + "\n" + "Cust. Id :" + read1.getText());
                    rd1.close();

                    rd1 = new FileReader("Database/" + i + ".detail");
                    read1 = new JTextField();
                    read1.read(rd1, null);
                    if (!read1.getText().equals("")) {
                      ak47.setText(ak47.getText() + "\n" + "Other Details : \n" + read1.getText());
                    } else {
                      ak47.setText(ak47.getText() + "\n" + "Other Details : Not Found");
                    }
                    rd1.close();
                  }
                }
              }

            } catch (Exception de) {
              JOptionPane.showMessageDialog(
                  (Component) null,
                  "Please Select Book Name from List",
                  "Library Management(Pravin Rane)",
                  JOptionPane.OK_OPTION);
            }
          }
        });
  }