LinkedList(Book).rar_Book 2_LinkedList java_java linkedlist_java

import java.util.Iterator; import java.util.LinkedList; import java.util.List; import javax.swing.*; public class MyLinkedList { private int bookNo = 1; private List<Book> list = new LinkedList<Book>(); //Add a book public void add() { Book book = new Book(); String bookName = JOptionPane.showInputDialog("Please enter the book name:"); boolean flag = true; float price = 0f; while(flag) { try { //Accept the user input prices price = Float.parseFloat(JOptionPane.showInputDialog("Please enter the price:")); flag = false; }catch(Exception e) { //When the client input is not a number when given the appropriate prompt, and returns to continue to enter the System.out.println("Your input error, please re-enter."); } } String author = JOptionPane.showInputDialog("Please enter the author:"); String description = JOptionPane.showInputDialog("Please enter a description:"); String createDate = JOptionPane.showInputDialog("Please enter the book's publication time:"); book.setBookNo(this.bookNo); book.setBookName(bookName); book.setPrice(price); book.setAuthor(author); book.setDescription(description); book.setCreateDate(createDate); list.add(book); JOptionPane.showMessageDialog(null, "Added successfully"); bookNo ++; } /** * Delete a book */ @SuppressWarnings("unchecked") public void delete() { //Is there any list to determine where the record books, if not do not need to perform delete operations if(list.size() > 0) { int no = 0; try { no = Integer.parseInt(JOptionPane.showInputDialog(this.common()+"\nPlease enter the number you want to remove the book:")); }catch(Exception e) { JOptionPane.showMessageDialog(null,"You enter the wrong number"); } for(Iterator<Book> iter = list.iterator();iter.hasNext();) { Book book = iter.next(); //Enter the client number is equal to the list of books in the Book Number in the list when you delete the corresponding records if(book.getBookNo() == no) { iter.remove(); JOptionPane.showMessageDialog(null, "Deleted successfully"); } } }else { JOptionPane.showMessageDialog(null,"No book could be deleted"); } } //Show list of all the books records public void getBooks() { if(list.size()>0) { //Here call a common method to return that user want to show the book record. JOptionPane.showMessageDialog(null,this.common()); }else { JOptionPane.showMessageDialog(null,"You do not add books"); } } /**Search Books * According to the book name or author to find one or more books */ public void search() { //Receiving client input to find information String nameOrAuthor = JOptionPane.showInputDialog("Please enter the name of the book or the author's name:"); for(Book book : list) { //When the list in keeping with user inquiries book record shows that all the information about the books if(nameOrAuthor.equals(book.getBookName()) || nameOrAuthor.equals(book.getAuthor())) { JOptionPane.showMessageDialog(null,"BNO: " +book.getBookNo()+ "\nBookName: "+book.getBookName()+ "\nPrice: RM" + book.getPrice()+ "\nAuthor: "+book.getAuthor()+ "\nDescription: "+book.getDescription()+ "\nIssued date: "+book.getCreateDate()); } } } /** * This is a common method * Will list all the records of splicing into a string to return * @return String */ public String common() { Iterator<Book> itera = list.iterator(); String abc = ""; while(itera.hasNext()) { Book book = itera.next(); abc = "BNO: " +book.getBookNo()+ "\nBookName: "+book.getBookName()+ "\nPrice: RM" + book.getPrice()+ "\nAuthor: "+book.getAuthor()+ "\nDescription: "+book.getDescription()+ "\nIssued date: "+book.getCreateDate(); } return abc; } }