The program needs to implement all of these in any sort of way selection structu

Question

The program needs to implement all of these in any sort of way selection structures, loops, methods, arrays, classes, must read and write files and must do input validations. It is also fundamental that all the program is a GUI. This program is a library which must simulate 4people buying or selling their books. Parts. 1. Login/register system, that asks the user for his/her name, username, and password to create an account. This data must be stored on files. Must allow the user to sign in to his account, and if a new user wants to create an account the program must check for an existing and must not allow to create an account that is already there. 2. Seller: Allow the user to upload a photo of the book, also in this step the program must ask for the name of the book, its price, and email or cellphone to be contacted. 3. Buyer: must be able to see all the information from each person that has uploaded a book to sell. 4. Must have a payment system and receipt of the transaction

Explanation / Answer

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class Library extends JFrame implements ActionListener {

private JPanel searchPanel = new JPanel();

private JToolBar searchToolBar = new JToolBar();

private JLabel searchLabel = new JLabel("Book title: ");

private JTextField searchTextField = new JTextField(15);
  
private JButton goButton = new JButton("Go");

private JDesktopPane desktop = new JDesktopPane();
private JSplitPane splitPane;
private JScrollPane desktopScrollPane;
private JScrollPane treeScrollPane;
  
private MenuBar menu;
private Toolbar toolbar;
private Statusbar statusbar = new Statusbar();
private ListBooks listBooks;
private AddBooks addBooks;
private BorrowBooks borrowBooks;
private ReturnBooks returnBooks;

private AddMembers addMembers;
private ListMembers listMembers;
private SearchBooksAndMembers search;

  
public Library() {
  
super("Library System");
//for setting the size
Dimension screenSize = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
//setSize(screenSize.width, screenSize.height - 30);
setExtendedState(JFrame.MAXIMIZED_BOTH);

  
  
  
Toolkit kit = Toolkit.getDefaultToolkit();
Image image = kit.getImage(ClassLoader.getSystemResource("images/Host1.gif"));
setIconImage(image);

menu = new MenuBar();
toolbar = new Toolbar();
  
  
  
// menu bar Action.........
  
setJMenuBar(menu);
menu.exit.addActionListener(this);
menu.addBook.addActionListener(this);
menu.listBook.addActionListener(this);
menu.addMember.addActionListener(this);
menu.listMember.addActionListener(this);
menu.searchBooksAndMembers.addActionListener(this);
menu.borrowBook.addActionListener(this);
menu.returnBook.addActionListener(this);
menu.about.addActionListener(this);
  
//get the graphical user interface components display the desktop
Container cp = getContentPane();
desktop.setBackground(Color.GRAY);
cp.add("Center", desktop);
  
searchLabel.setFont(new Font("Tahoma", Font.BOLD, 11));
  
searchTextField.setFont(new Font("Tahoma", Font.PLAIN, 12));
goButton.setFont(new Font("Tahoma", Font.BOLD, 9));
  
searchToolBar.add(searchLabel);

searchToolBar.add(searchTextField);
  
searchToolBar.add(goButton);
  
goButton.addActionListener(this);
  
searchPanel.setLayout(new BorderLayout());
  
searchPanel.add("Center", toolbar);

cp.add("North", searchPanel);
  
cp.add("South", statusbar);

for (int i = 0; i < toolbar.imgName5.length; i++) {
//for adding the action to the button
toolbar.btn[i].addActionListener(this);
}

//for adding WindowListener to the program
addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
//show the program
show();
}

  
public void actionPerformed(ActionEvent e) {
if (e.getSource() == menu.addBook || e.getSource() == toolbar.btn[0]) {
Thread runner = new Thread() {

public void run() {
addBooks = new AddBooks();
desktop.add(addBooks);
try {
addBooks.setSelected(true);
} catch (java.beans.PropertyVetoException e) {
}
}
};
runner.start();
}
if (e.getSource() == menu.listBook || e.getSource() == toolbar.btn[1]) {
Thread runner = new Thread() {

public void run() {
listBooks = new ListBooks();
desktop.add(listBooks);
try {
listBooks.setSelected(true);
} catch (java.beans.PropertyVetoException e) {
}
}
};
runner.start();
}
if (e.getSource() == menu.addMember || e.getSource() == toolbar.btn[2]) {
Thread runner = new Thread() {

public void run() {
addMembers = new AddMembers();
desktop.add(addMembers);
try {
addMembers.setSelected(true);
} catch (java.beans.PropertyVetoException e) {
}
}
};
runner.start();
}
if (e.getSource() == menu.listMember || e.getSource() == toolbar.btn[3]) {
Thread runner = new Thread() {

public void run() {
listMembers = new ListMembers();
desktop.add(listMembers);
try {
listMembers.setSelected(true);
} catch (java.beans.PropertyVetoException e) {
}
}
};
runner.start();
}
if (e.getSource() == menu.searchBooksAndMembers || e.getSource() == toolbar.btn[4]) {
Thread runner = new Thread() {

public void run() {
search = new SearchBooksAndMembers();
desktop.add(search);
try {
search.setSelected(true);
} catch (java.beans.PropertyVetoException e) {
}
}
};
runner.start();
}
if (e.getSource() == menu.borrowBook || e.getSource() == toolbar.btn[5]) {
Thread runner = new Thread() {

public void run() {
borrowBooks = new BorrowBooks();
desktop.add(borrowBooks);
try {
borrowBooks.setSelected(true);
} catch (java.beans.PropertyVetoException e) {
}
}
};
runner.start();
}
if (e.getSource() == menu.returnBook || e.getSource() == toolbar.btn[6]) {
Thread runner = new Thread() {

public void run() {
returnBooks = new ReturnBooks();
desktop.add(returnBooks);
try {
returnBooks.setSelected(true);
} catch (java.beans.PropertyVetoException e) {
}
}
};
runner.start();
}
  
if (e.getSource() == menu.exit || e.getSource() == toolbar.btn[7]) {
dispose();
System.exit(0);
}
  
if(e.getSource() == menu.about || e.getSource() == toolbar.btn[8]){
  
Thread runner = new Thread(){
  
public void run(){
  
JOptionPane.showMessageDialog(null, new About(),"About Library",JOptionPane.PLAIN_MESSAGE);
}
};
runner.start();
}
}
}

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