2021-02-21 01:39:28

/*
 * 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 QuanLySach;
import java.util.Scanner;
/**
 *
 * @author Admin
 */
public class Book {

    private String bookName;
    private String bookAuthor;
    private String producer;
    private int yearPublishing;
    private float price;
    
    public Book(){
        System.out.println("Book init");
    }

    public Book(String bookName, String bookAuthor, String producer, int yearPublishing, float price) {
        this.bookName = bookName;
        this.bookAuthor = bookAuthor;
        this.producer = producer;
        this.yearPublishing = yearPublishing;
        this.price = price;
    }

    public String getBookName() {
        return bookName;
    }

    public String getBookAuthor() {
        return bookAuthor;
    }

    public String getProducer() {
        return producer;
    }

    public int getYearPublishing() {
        return yearPublishing;
    }

    public float getPrice() {
        return price;
    }

    public void setBookName(String bookName) {
        this.bookName = bookName;
    }

    public void setBookAuthor(String bookAuthor) {
        this.bookAuthor = bookAuthor;
    }

    public void setProducer(String producer) {
        this.producer = producer;
    }

    public void setYearPublishing(int yearPublishing) {
        this.yearPublishing = yearPublishing;
    }

    public void setPrice(float price) {
        this.price = price;
    }
    
    public void input(){
        Scanner sc = new Scanner(System.in);
        System.out.println("Nhap ten sach: ");
        bookName = sc.nextLine();
        System.out.println("Nhap ten tac gia: ");
        bookAuthor = sc.nextLine();
        System.out.println("Nhap ten nha san xuat: ");
        producer = sc.nextLine();
        System.out.println("Nhap nam xuat ban: ");
        yearPublishing = sc.nextInt();
        System.out.println("Nhap gia ban: ");
        price = sc.nextFloat();
    }
    
    public void display(){
        System.out.println(this);
    }
    
    
}

2021-02-20 14:49:46

AptechBook

/*
 * 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 BookManagerTinhkethua;

import java.util.Scanner;

/**
 *
 * @author TrungDuc
 */
public class AptechBook extends Book{
    private String language;
    private int semester;
    
 
    public AptechBook() {
    }

    public AptechBook(String bookName, String bookAuthor, String producer, int yearPublishing, float price) {
        super(bookName, bookAuthor, producer, yearPublishing, price);
    }

    public String getLanguage() {
        return language;
    }

    public int getSemester() {
        return semester;
    }

    public void setLanguage(String language) {
        this.language = language;
    }

    public void setSemester(int semester) {
        this.semester = semester;
    }
    
    @Override
    public void Input(){
        Scanner scan = new Scanner(System.in);
        super.Input();
        System.out.println("Nhap ngon ngu: ");
        language = scan.nextLine();
        
        System.out.println("Nhap hoc ky: ");
        semester = Integer.parseInt(scan.nextLine());
    }
    
    @Override
    public void Display(){
        super.Display();
        System.out.println("Ngon ngu: "+ language);
         System.out.println("Hoc ky: "+ semester);
    }
    
    
    
}

2021-02-20 14:49:25

/*
 * 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 BookManagerTinhkethua;

import java.util.Scanner;

/**
 *
 * @author TrungDuc
 */
public class Book {

    private String bookName;
    private String bookAuthor;
    private String producer;
    private int yearPublishing;
    private float price;

    public Book() {
    }

    ;

    public Book(String bookName, String bookAuthor, String producer, int yearPublishing, float price) {
        this.bookName = bookName;
        this.bookAuthor = bookAuthor;
        this.producer = producer;
        this.yearPublishing = yearPublishing;
        this.price = price;
    }

    public String getBookName() {
        return bookName;
    }

    public String getBookAuthor() {
        return bookAuthor;
    }

    public String getProducer() {
        return producer;
    }

    public int getYearPublishing() {
        return yearPublishing;
    }

    public float getPrice() {
        return price;
    }

    public void setBookName(String bookName) {
        this.bookName = bookName;
    }

    public void setBookAuthor(String bookAuthor) {
        this.bookAuthor = bookAuthor;
    }

    public void setProducer(String producer) {
        this.producer = producer;
    }

    public void setYearPublishing(int yearPublishing) {
        this.yearPublishing = yearPublishing;
    }

    public void setPrice(float price) {
        this.price = price;
    }

    public void Input() {
        Scanner scan = new Scanner(System.in);
        System.out.println("Nhap ten sach: ");
        bookName = scan.nextLine();

        System.out.println("Nhap ten tac gia: ");
        bookAuthor = scan.nextLine();

        System.out.println("Nhap ten nha xuat ban: ");
        producer = scan.nextLine();

        System.out.println("Nhap nam xuat ban: ");
        yearPublishing = Integer.parseInt(scan.nextLine());

        System.out.println("Nhap gia ban: ");
        price = Integer.parseInt(scan.nextLine());
    }
    
    public void Display(){
        System.out.println("Ten: " + bookName);
        System.out.println("Tac gia: " + bookAuthor);
        System.out.println("Nha xuat ban: " + producer);
        System.out.println("Nam xuat ban: " + yearPublishing);
        System.out.println("Gia: " + price);
    }
    
//    @Override
//    public String toString(){
//        return("Ten: " + bookName + "Tac gia: " + bookAuthor + "Nha xuat ban: " +  producer + "Nam xuat ban" + yearPublishing +"Gia: " + price);
//    }
}

2021-02-20 14:48:53

Test

/*
 * 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 BookManagerTinhkethua;

import java.util.ArrayList;
import java.util.Scanner;
import java.util.Collections;
import java.util.Comparator;

public class Test {

    public static void main(String[] args) {
        int choose, n;
        Scanner scan = new Scanner(System.in);
        ArrayList<AptechBook> listAptechBook = new ArrayList<>();

        do {
            displayMenu();

            System.out.println(" Nhập lua chon choose = ");
            choose = Integer.parseInt(scan.nextLine());

            switch (choose) {
                case 1:
                    System.out.println(" Nhập so luong cuốn sách của Aptech n = ");
                    n = Integer.parseInt(scan.nextLine());

                    for (int i = 0; i < n; i++) {
                        AptechBook book = new AptechBook();
                        book.Input();
                        listAptechBook.add(book);
                    }
                    break;

                case 2:
                    for (int i = 0; i < listAptechBook.size(); i++) {
                        listAptechBook.get(i).Display();
                    }
                    break;

                case 3:
                    Collections.sort(listAptechBook, new Comparator<AptechBook>() {
                        @Override
                        public int compare(AptechBook o1, AptechBook o2) {
                            if (o1.getYearPublishing() < o2.getYearPublishing()) {
                                return 1;
                            }
                            return -1;
                        }
                    });

                    for (int i = 0; i < listAptechBook.size(); i++) {
                        listAptechBook.get(i).Display();
                    }
                    break;

                case 4:
                    String tenSachCanTim;
                    int count = 0;
                    System.out.println("Nhap ten sach ");
                    tenSachCanTim = scan.nextLine();

                    for (int i = 0; i < listAptechBook.size(); i++) {
                        if (listAptechBook.get(i).getBookName().equals(tenSachCanTim)) {
                            listAptechBook.get(i).Display();
                            count++;
                        }
                    }

                    if (count == 0) {
                        System.out.println("Khong co sach nao co ten nhu yeu cau:");
                    }

                    break;

                case 5:
                    String tenTacGiaCanTim;
                    int countTacGia = 0;
                    System.out.println("Nhap ten tac gia ");
                    tenTacGiaCanTim = scan.nextLine();

                    for (int i = 0; i < listAptechBook.size(); i++) {
                        if (listAptechBook.get(i).getBookAuthor().equals(tenTacGiaCanTim)) {
                            listAptechBook.get(i).Display();
                            countTacGia++;
                        }
                    }

                    if (countTacGia == 0) {
                        System.out.println("Khong co sach nao co tac gia nhu yeu cau:");
                    }

                    break;

                case 6:
                    System.out.println("Thoat");
                    break;

                default:
                    System.out.println("Chon lai choose = ");
                    break;
            }

        } while (choose != 6);

    }

    static void displayMenu() {
        System.out.println("1. Nhập thông tin n cuốn sách của Aptech");
        System.out.println("2. Hiển thị thông tin vừa nhập");
        System.out.println("3. Sắp xếp thông tin giảm dần theo năm xuất bản và hiển thị");
        System.out.println("4. Tìm kiếm theo tên sách");
        System.out.println("5. Tìm kiếm theo tên tác giả ");
        System.out.println("6. Thoat ");
    }
}

2021-01-31 02:35:59

/*
 * 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 buoi_3;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

/**
 *
 * @author Admin
 */
public class Test {

    public static void main(String[] args) {
        String[] sach = null;
        String tac_gia, ten_sach;
        int n, lua_chon = 0;
        Scanner scan = new Scanner(System.in);
        ArrayList<Book> Book_list = new ArrayList<>();
        do {
            menu();
            System.out.println("Nhap su lua chon: ");
            lua_chon = Integer.parseInt(scan.nextLine());
            switch (lua_chon) {
                case 1:
                    System.out.print("Nhap so cuon sach:  ");
                    n = Integer.parseInt(scan.nextLine());
                    for (int i = 0; i < n; i++) {
                        AptechBook book = new AptechBook();
                        book.nhap();
                        Book_list.add(book);
                    }

                    break;
                case 2:
                    for (int i = 0; i < Book_list.size(); i++) {
                        Book_list.get(i).hien_thi();
                    }
                    break;
                case 3:
                    Collections.sort(Book_list, (Book book1, Book book2) -> {
                        if (book1.getYearPublishing() < book2.getYearPublishing()) {
                            return 1;
                        }
                        return -1;
                    });
                    for (int i = 0; i < Book_list.size(); i++) {
                        Book_list.get(i).hien_thi();
                    }
                    break;
                case 4:
                    int kt = 0;
                    System.out.print("Nhap ten cuan sach can tim: ");
                    ten_sach = scan.nextLine();
                    for (Book book : Book_list) {
                        if (book.getBookAuthor().equalsIgnoreCase(ten_sach)) {
                            book.hien_thi();
                            kt++;
                        }
                    }
                    if (kt == 0) {
                        System.out.print("khong co cuon sach nao");
                    }
                    break;
                case 5:
                    int kt1 = 0;
                    System.out.print("Nhap ten tac gia: ");
                    tac_gia = scan.nextLine();
                    for (Book book : Book_list) {
                        if (book.getBookAuthor().equalsIgnoreCase(tac_gia)) {
                            book.hien_thi();
                            kt1++;
                        }
                    }
                    if (kt1 == 0) {
                        System.out.print("khong co cuon sach nao");
                    }
//                   
                    break;
                case 6:
                    System.out.print(" Thoat ");
                    break;
                default:
                    System.out.print(" Lua chon lai");
                    break;

            }
        } while (lua_chon != 7);
    }

    static void menu() {
        System.out.println();
        System.out.println(" 1 Nhap thong tin n cuan sach: ");
        System.out.println(" 2 Hien thi thong tin vua nhap: ");
        System.out.println(" 3 Sap xep giam dan theo nam xuat ban: ");
        System.out.println(" 4 Tim kiem theo ten: ");
        System.out.println(" 5 Tim kiem theo ten tac gia: ");
        System.out.println(" 6 Thoat:");
    }
}

2021-01-31 02:34:14

/*
 * 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 buoi_3;

import java.util.Scanner;

/**
 *
 * @author Admin
 */
public class AptechBook extends Book {
private String language;
private int semester;
Scanner scan = new Scanner(System.in);
    public AptechBook() {
    }

    public AptechBook(String language, int semester, String bookName, String bookAuthor, String producer, int yearPublishing, float price) {
        super(bookName, bookAuthor, producer, yearPublishing, price);
        this.language = language;
        this.semester = semester;
    }

    public String getLanguage() {
        return language;
    }

    public int getSemester() {
        return semester;
    }

    public void setLanguage(String language) {
        this.language = language;
    }

    public void setSemester(int semester) {
        this.semester = semester;
    }

    @Override
    public void nhap() {
        super.nhap(); //To change body of generated methods, choose Tools | Templates.
        System.out.print("Nhap Ngon ngu: ");
        language = scan.nextLine();
        System.out.print("Nhap ki hoc: ");
        semester = scan.nextInt();
    }

    @Override
    public void hien_thi() {
     super.hien_thi(); //To change body of generated methods, choose Tools | Templates.
    System.out.print("Ngon ngu: "+language);
    System.out.print("Hoc ki: "+semester);
    }
    
    
    
}

2021-01-31 02:33:34

Book

/*
 * 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 buoi_3;

import java.util.Scanner;

/**
 *
 * @author Admin
 */
public class Book {

    private String bookName;

    private String bookAuthor;

    private String producer;

    private int yearPublishing;

    private float price;

    public String getBookName() {
        return bookName;
    }

    public String getBookAuthor() {
        return bookAuthor;
    }

    public String getProducer() {
        return producer;
    }

    public int getYearPublishing() {
        return yearPublishing;
    }

    public float getPrice() {
        return price;
    }

    public void setBookName(String bookName) {
        this.bookName = bookName;
    }

    public void setBookAuthor(String bookAuthor) {
        this.bookAuthor = bookAuthor;
    }

    public void setProducer(String producer) {
        this.producer = producer;
    }

    public void setYearPublishing(int yearPublishing) {
        this.yearPublishing = yearPublishing;
    }

    public void setPrice(float price) {
        this.price = price;
    }

    public Book() {
    }

    public Book(String bookName, String bookAuthor, String producer, int yearPublishing, float price) {
        this.bookName = bookName;
        this.bookAuthor = bookAuthor;
        this.producer = producer;
        this.yearPublishing = yearPublishing;
        this.price = price;
    }

    public void nhap() {
        
        Scanner scan = new Scanner(System.in);
        System.out.println();
        System.out.print("Nhap ten : ");
        bookName = scan.nextLine();
        System.out.print("Nhap ten tac gia : ");
        bookAuthor = scan.nextLine();
        System.out.print("Nhap ten nha san xuat : ");
        producer = scan.nextLine();
        System.out.print("Nhap nam xuat ban : ");
        yearPublishing = Integer.parseInt(scan.nextLine());
        System.out.print("Nhap gia ban : ");
        price = Integer.parseInt(scan.nextLine());
    }

    public void hien_thi() {
        System.out.println(this);
    }

    @Override
    public String toString() {
        System.out.println();
        return " Ten sach: " + bookName + " ,Tac gia: " + bookAuthor + " ,Nha san xuat: " + producer + " ,Nam xuat ban: " + yearPublishing + " ,Gia ban: " + price;
    }


}

2021-01-30 04:29:54

/*
 * 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 lesson4.QuanLiSach;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Scanner;

/**
 *
 * @author MyPC
 */
public class Test {
    public static void main(String[] args) {
        ArrayList<AptechBook> bookList = new ArrayList<>();
        Scanner scan = new Scanner(System.in);
        int choose, n;
        do{
            Menu();
            System.out.println("Lua chon chuong trinh:");
            choose = Integer.parseInt(scan.nextLine());
            switch(choose){
                case 1:
                    System.out.println("Nhap so sach can them: ");
                    n = Integer.parseInt(scan.nextLine());
                    for (int i = 0; i < n; i++) {
                        System.out.println("Nhap thong tin quyen sach thu " +(i+1)+":");
                        AptechBook book = new AptechBook();
                        book.input();
                        bookList.add(book);
                        System.out.println("");
                    }
                break;
                
                case 2:
                    for (int i = 0; i < bookList.size(); i++) {
                        System.out.println("Thong tin quyen sach thu " +(i+1)+":");
                        bookList.get(i).display();
                        System.out.println("");
                    }
                break;
                
                case 3:
                    Collections.sort(bookList, new Comparator<AptechBook>() {
                        @Override
                        public int compare(AptechBook o1, AptechBook o2) {
                            if(o1.getYearPublishing() < o2.getYearPublishing()) {
                                return 1;
                            }
                            return -1;
                        }
                    });
                    for (int i = 0; i < bookList.size(); i++) {
                        System.out.println("Thong tin quyen sach thu " +(i+1)+":");
                        bookList.get(i).display();
                        System.out.println("");
                    }
                break;
                
                case 4:
                    String bookSearch;
                    int check = 0;
                    System.out.println("Nhap ten sach can tim kiem:");
                    bookSearch = scan.nextLine();
                    for (int i = 0; i < bookList.size(); i++) {
                        if(bookList.get(i).getBookName().equals(bookSearch)){
                            System.out.println("Thong tin quyen sach thu " +(i+1)+":");
                            bookList.get(i).display();
                            System.out.println("");
                            check++;
                        }
                    }
                    if(check == 0){
                        System.out.println("Khong co sach theo yeu cau!!");
                        System.out.println("");
                    }
                break;
                
                case 5:
                    String authorSearch;
                    int check1 = 0;
                    System.out.println("Nhap ten tac gia can tim kiem:");
                    authorSearch = scan.nextLine();
                    for (int i = 0; i < bookList.size(); i++) {
                        if(bookList.get(i).getBookAuthor().equals(authorSearch)){
                            bookList.get(i).display();
                            check1++;
                        }
                    }
                    if(check1 == 0){
                        System.out.println("Khong co ten tac gia theo yeu cau!!");
                        System.out.println("");
                    }
                break;
                
                case 6:
                    System.out.println("Tam biet!!");
                break;
                
                default:
                    System.err.println("Nhap sai!!!");
                    System.out.println("");
                break;
            }
        }while(choose != 6);
    }
    static void Menu(){
        System.out.println("1.Nhập thông tin n cuốn sách của Aptech");
        System.out.println("2.Hiển thị thông tin vừa nhập");
        System.out.println("3.Sắp xếp thông tin giảm dần theo năm xuất bản và hiển thị");
        System.out.println("4.Tìm kiếm theo tên sách");
        System.out.println("5.Tìm kiếm theo tên tác giả");
        System.out.println("6.Thoát.");
    }
}

/*
 * 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 lesson4.QuanLiSach;
import java.util.Scanner;

/**
 *
 * @author MyPC
 */
public class Book {
    private String bookName, bookAuthor, producer;
    private int yearPublishing;
    private float price;
    
    //Construct
    public Book(){
    }
    public Book(String bookName, String bookAuthor, String producer, int yearPublishing, float price) {
        this.bookName = bookName;
        this.bookAuthor = bookAuthor;
        this.producer = producer;
        this.yearPublishing = yearPublishing;
        this.price = price;
    }
    
    //set, get
    public String getBookName() {
        return bookName;
    }

    public void setBookName(String bookName) {
        this.bookName = bookName;
    }

    public String getBookAuthor() {
        return bookAuthor;
    }

    public void setBookAuthor(String bookAuthor) {
        this.bookAuthor = bookAuthor;
    }

    public String getProducer() {
        return producer;
    }

    public void setProducer(String producer) {
        this.producer = producer;
    }

    public int getYearPublishing() {
        return yearPublishing;
    }

    public void setYearPublishing(int yearPublishing) {
        this.yearPublishing = yearPublishing;
    }

    public float getPrice() {
        return price;
    }

    public void setPrice(float price) {
        this.price = price;
    }
    
    //Input
    public void input(){
        Scanner scan = new Scanner(System.in);
        System.out.print("Ten sach: ");
        bookName = scan.nextLine();
        System.out.print("Ten tac gia: ");
        bookAuthor = scan.nextLine();
        System.out.print("Nha san xuat: ");
        producer = scan.nextLine();
        System.out.print("Nam xuat ban: ");
        yearPublishing = scan.nextInt();
        System.out.print("Gia tien: ");
        price = scan.nextFloat();
    }
    
    //Display
    public void display(){
        System.out.println("Ten sach: " + bookName);
        System.out.println("Ten tac gia: " + bookAuthor);
        System.out.println("Nha san xuat: " + producer);
        System.out.println("Nam xuat ban: " + yearPublishing);
        System.out.println("Gia tien: " + price);
    }
    
}

/*
 * 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 lesson4.QuanLiSach;
import java.util.Scanner;

/**
 *
 * @author MyPC
 */
public class AptechBook extends Book{
    private String language;
    private int semester;
    
    //Construct
    public AptechBook(){
    }
    public AptechBook(String language, int semester, String bookName, String bookAuthor, String producer, int yearPublishing, float price) {
        super(bookName, bookAuthor, producer, yearPublishing, price);
        this.language = language;
        this.semester = semester;
    }
    
    //Get and Set
    public String getLanguage() {
        return language;
    }

    public void setLanguage(String language) {
        this.language = language;
    }

    public int getSemester() {
        return semester;
    }

    public void setSemester(int semester) {
        this.semester = semester;
    }
    
    //Input
    @Override
    public void input() {
        Scanner scan = new Scanner(System.in);
        super.input(); //To change body of generated methods, choose Tools | Templates.
        System.out.print("Ngon ngu: ");
        language = scan.nextLine();
        System.out.print("Hoc ki: ");
        semester = scan.nextInt();
    }
    
    //Display
    @Override
    public void display() {
        super.display(); //To change body of generated methods, choose Tools | Templates.
        System.out.println("Ngon ngu: " + language);
        System.out.println("Hoc ki: " + semester);
    }
    
    
    
}

2020-12-22 07:30:24

/*
 * 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 QLSach;

import java.util.Scanner;

/**
 *
 * @author ASUS
 */
public class Book {
    private String bookName;
    private String bookAuthor;
    private String producer;
    private int year;
    private float price;

    public Book() {
    }

    public Book(String bookName, String bookAuthor, String producer, int year, float price) {
        this.bookName = bookName;
        this.bookAuthor = bookAuthor;
        this.producer = producer;
        this.year = year;
        this.price = price;
    }

    public String getBookName() {
        return bookName;
    }

    public void setBookName(String bookName) {
        this.bookName = bookName;
    }

    public String getBookAuthor() {
        return bookAuthor;
    }

    public void setBookAuthor(String bookAuthor) {
        this.bookAuthor = bookAuthor;
    }

    public String getProducer() {
        return producer;
    }

    public void setProducer(String producer) {
        this.producer = producer;
    }

    public int getYear() {
        return year;
    }

    public void setYear(int year) {
        this.year = year;
    }

    public float getPrice() {
        return price;
    }

    public void setPrice(float price) {
        this.price = price;
    }
    
    public void input(){
        Scanner scan=new Scanner(System.in);
        System.out.println("Nhập tên sách:");
        bookName=scan.nextLine();
        System.out.println("Nhập tên tác giả:");
        bookAuthor=scan.nextLine();
        System.out.println("Nhập người sản xuất:");
        producer=scan.nextLine();
        System.out.println("Nhập năm sx:");
        year=Integer.parseInt(scan.nextLine());
        System.out.println("Nhập giá:");
        price=Float.parseFloat(scan.nextLine());
    }

    @Override
    public String toString() {
        return "Book{" + "bookName=" + bookName + ", bookAuthor=" + bookAuthor + ", producer=" + producer + ", year=" + year + ", price=" + price + '}';
    }
    
    public void display(){
        System.out.println(toString());
    }
}
>>>>>>>>>
/*
 * 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 QLSach;

import java.util.Scanner;

/**
 *
 * @author ASUS
 */
public class AptechBook extends Book{
    private String language;
    private int semester;

    public AptechBook() {
    }

    public AptechBook(String language, int semester) {
        this.language = language;
        this.semester = semester;
    }

    @Override
    public void input() {
        super.input(); //To change body of generated methods, choose Tools | Templates.
        Scanner scan=new Scanner(System.in);
        System.out.println("Nhập ngôn ngữ:");
        language=scan.nextLine();
        System.out.println("Nhập học kỳ:");
        semester=Integer.parseInt(scan.nextLine());
    }

   

    @Override
    public void display() {
        super.display(); //To change body of generated methods, choose Tools | Templates.
        System.out.println(",Language:"+language+",Sếmter:"+semester);
        System.err.println(" ");
    }
    
    
}
>>>>>>
/*
 * 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 QLSach;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Scanner;

/**
 *
 * @author ASUS
 */
public class Main {
    public static void main(String[] args) {
        ArrayList<AptechBook>aptechList=new ArrayList<>();
        Scanner scan=new Scanner(System.in);
        int choise,n;
        do {            
            ShowMenu();
            choise=Integer.parseInt(scan.nextLine());
            switch(choise){
                case 1:
                    System.out.println("Nhập thông tin n cuốn sách:");
                    n=Integer.parseInt(scan.nextLine());
                    for (int i = 0; i < n; i++) {
                        AptechBook aptech=new AptechBook();
                        aptech.input();
                        aptechList.add(aptech);
                    }
                    break;
                case 2:
                    for (int i = 0; i <aptechList.size(); i++) {
                        aptechList.get(i).display();
                    }
                    break;
                case 3:
                    Collections.sort(aptechList, new Comparator<AptechBook>() {
                @Override
                public int compare(AptechBook o1, AptechBook o2) {
                   int thtrue=o1.getBookName().compareTo(o2.getBookName());
                   if(thtrue>=0){
                       return -1;
                   }
                   return 1;
                }
            });
                    for (int i = 0; i <aptechList.size(); i++) {
                        aptechList.get(i).display();
                    }
                    break;
                case 4:
                    System.out.println("Nhập tên sách cần tìm:");
                    String bookName;
                    bookName=scan.nextLine();
                    int count=0;
                    for (AptechBook aptechBook : aptechList) {
                        if(aptechBook.getBookName().equalsIgnoreCase(bookName)){
                            aptechBook.display();
                            count++;
                        }if(count==0){
                            System.out.println("Ko tìm thấy....");
                        }
                    }
                    break;
                case 5:
                    System.out.println("Nhập tên tác giả cần tìm");
                    String nameAuthor;
                    nameAuthor=scan.nextLine();
                    int countt=0;
                    for (AptechBook aptechBook : aptechList) {
                        if(aptechBook.getBookAuthor().equalsIgnoreCase(nameAuthor)){
                            aptechBook.display();
                            countt++;
                        }if(countt==0){
                            System.out.println("Ko tìm thấy");
                        }
                    }
                    break;
                case 6:
                    System.out.println("Thoat!!!");
                    break;
                    default:
                        System.out.println("Nhập lại đê");
                        break;
            }
        } while (choise!=7);
    }
    static void ShowMenu(){
        System.out.println("1.Nhập thông tin n cuốn sách của Aptech");
        System.out.println("2.Hiển thị thông tin vừa nhập");
        System.out.println("3.Sắp xếp thông tin giảm dần theo năm xuất bản và hiển thị");
        System.out.println("4.Tìm kiếm theo tên sách");
        System.out.println("5.Tìm kiếm theo tên tác giả");
        System.out.println("6.Thoát!!!");
    }
}

2020-04-28 09:06:21

/*
 * 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 BaiTap2;

import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author Thannh Lam
 */
public class Main {
    public static void main(String[] args) {
            int choose, n;
            //Quản lý sach tác giả
            ArrayList<Author> authorList = new ArrayList<>();
            
            //Quản lý danh sách sách
            ArrayList<Book> bookList = new ArrayList<>();
            Scanner input = new Scanner(System.in);
            do{
                showMenu();
                choose = Integer.parseInt(input.nextLine());
                
                switch(choose){
                    case 1:
                        System.out.println("Nhập số sách cần thêm: ");
                        n = Integer.parseInt(input.nextLine());
                        for(int i = 0; i<n; i++){
                            Book book = new Book();
                            book.input();
                            boolean isFind = false;
                            for(int j = 0; j < authorList.size(); j++) {
                                if(authorList.get(j).getNickname().equalsIgnoreCase(book.getNickname())) {
                                    isFind = true;
                                    break;
                                }
                            }
                            if(!isFind) {
                            Author  author = new Author(book.getNickname());
                            author.input();
                            
                            //Luu thong tin tac gia
                            authorList.add(author);
                        }
                            
                            //Lưu đối tượng book vào mảng BookList
                            bookList.add(book);
                        
                        }
                        break;
                    case 2:
                        for(Book book : bookList){
                            book.display();
                        }
                        break;
                    case 3: 
                        
                        //Nhập thông tin tác giả
                        
                        System.out.println("Nhập số tác giả cần thêm");
                        n = Integer.parseInt(input.nextLine());
                        
                        for(int i = 0; i < n; i++){
                            Author author = new Author ();
                            author.input(authorList);
                            
                            //lưu đối tượng author vào mảng authorList
                        }
                        break;
                    case 4:
                        System.out.println("Nhập tên Bút danh cần tìm kiếm: ");
                        String nickname = input.nextLine();
                        
                        for(int i = 0; i < bookList.size(); i++) {
                            if(bookList.get(i).getNickname().equalsIgnoreCase(nickname)) {
                                bookList.get(i).display();
                            }
                        }
                        break;
                    case 5:
                        System.out.println("Tạm biệt");
                        break;
                    default:
                        System.err.println("nhập sai");
                        break;
                }
            }while(choose !=5);
    }
    
    static void showMenu(){
        System.out.println("1.Nhập thông tin sách: ");
        System.out.println("2. Hiển thị tất cả sách ra màn hình: ");
        System.out.println("3.Nhập thông tin tác giả: ");
        System.out.println("4.Tìm kiếm sách theo bút danh: ");
        System.out.println("5.Thoát");
    }
}

/*
 * 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 BaiTap2;

import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author Thannh Lam
 */
public class Author {
    private String name;
    private int old;
    private String nickname;
    private String birthday;
    private String address;

    public Author() {
    }

    public Author(String nickname) {
        this.nickname = nickname;
    }
    
    

    public Author(String name, int old, String nickname, String birthday, String address) {
        this.name = name;
        this.old = old;
        this.nickname = nickname;
        this.birthday = birthday;
        this.address = address;
    }

    public void input(ArrayList<Author> authorList) {
        input();
        Scanner input = new Scanner(System.in);
        
        System.out.println("Nhập bút danh: ");
        while(true){
            nickname = input.nextLine();
            boolean isFind = false;
            for(int i = 0; i<authorList.size(); i++){
               if(authorList.get(i).getNickname().equalsIgnoreCase(nickname)){
                   isFind = true;
               } 
            }
            if(!isFind){
                break;
            }else {
                System.out.println("Nhập bút danh khác: ");
            }
        }
        

    }
    
    
     public void input() {
        System.out.println("--------------------------------");
        Scanner input = new Scanner(System.in);
        System.out.println("Nhập tên tác giả: ");
        name = input.nextLine();
        System.out.println("Nhập tuổi: ");
        old = Integer.parseInt(input.nextLine());
        

        
        System.out.println("Ngày sinh: ");
        birthday = input.nextLine();
        
        
        System.out.println("Nhập địa chỉ: ");
        address = input.nextLine();
    }
        public void display(){
            System.out.println(toString());
        }

    @Override
    public String toString() {
        return "Author{" + "name=" + name + ", old=" + old + ", nickname=" + nickname + ", birthday=" + birthday + ", address=" + address + '}';
    }
        
    
    public String getName() {
        return name;
    }

    public int getOld() {
        return old;
    }

    public String getNickname() {
        return nickname;
    }

    public String getBirthday() {
        return birthday;
    }

    public String getAddress() {
        return address;
    }
    
    
    
}

/*
 * 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 BaiTap2;

import java.util.Scanner;

/**
 *
 * @author Thannh Lam
 */
public class Book {
    String bookName;
    String createdAt;
    String nickname;

    public Book() {
    }

    public Book(String bookName, String createdA, String nickname) {
        this.bookName = bookName;
        this.createdAt = createdA;
        this.nickname = nickname;
    }
    
    public void input() {
        Scanner input = new Scanner(System.in);
        System.out.println("Nhập tên sách: ");
        bookName = input.nextLine();
        
        System.out.println("Ngày xuất bản: ");
        createdAt = input.nextLine();
        
        System.out.println("Nhập bút danh: ");
        nickname = input.nextLine();
        
    }
    
    public void display() {
        
    }
    
    
    @Override
    public String toString() {
        return "Book{" + "bookName=" + bookName + ", createdAt=" + createdAt + ", nickname=" + nickname + '}';
    }
    
    
    

    public String getBookName() {
        return bookName;
    }

    public void setBookName(String bookName) {
        this.bookName = bookName;
    }

    public String getCreatedAt() {
        return createdAt;
    }

    public void setCreatedA(String createdA) {
        this.createdAt = createdA;
    }

    public String getNickname() {
        return nickname;
    }

    public void setNickname(String nickname) {
        this.nickname = nickname;
    }
    
    
}