Nội dung kiến thức:

	- Interface
	- Đi qua giao trình
	- Luyện bài tập

-> Phân tích:
	- Nhà sản xuất
		- Thuộc tính
		- Hành động:
			- input
			- display
	- Tác giả:
		- Thuộc tính
		- Hành động
			- input
			- display
	- Sách:
		- Thuộc tính
		- Hành động
			- input
			- display

Bài toán:
	Sử dụng 1 mảng -> quản lý tất cả các object (NSX, Author, Book) -> Quản lý hành động: (input, display)
	

#Author.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

import java.util.Scanner;

/**
 *
 * @author diepvan
 */
public class Author implements IInputOutput, ILog{
    String name;
    String nickname;
    String birthday;

    public Author() {
//        System.out.println(k); k -> const (final)
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getNickname() {
        return nickname;
    }

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

    public String getBirthday() {
        return birthday;
    }

    public void setBirthday(String birthday) {
        this.birthday = birthday;
    }
    
    public void input() {
        Scanner scan = new Scanner(System.in);
        
        System.out.println("Nhap ten tac gia: ");
        name = scan.nextLine();
        System.out.println("Nhap but danh: ");
        nickname = scan.nextLine();
        System.out.println("Nhap ngay sinh: ");
        birthday = scan.nextLine();
    }
    
    public void display() {
        System.out.println(this);
    }

    @Override
    public String toString() {
        return "name=" + name + ", nickname=" + nickname + ", birthday=" + birthday;
    }

    @Override
    public void showLog() {
        System.out.println("Show Log DU LIeu...");
    }
    
    
}

#BaseObject.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

/**
 *
 * @author diepvan
 */
public abstract class BaseObject {
    public abstract void input();
    
    public abstract void display();
}

#Book.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

import java.util.Scanner;

/**
 *
 * @author diepvan
 */
public class Book implements IInputOutput{
    String nickname;
    String manufacturerName;
    String bookName;
    float price;

    public Book() {
    }

    public String getNickname() {
        return nickname;
    }

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

    public String getManufacturerName() {
        return manufacturerName;
    }

    public void setManufacturerName(String manufacturerName) {
        this.manufacturerName = manufacturerName;
    }

    public String getBookName() {
        return bookName;
    }

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

    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("Nhap but danh: ");
        nickname = scan.nextLine();
        System.out.println("Nhap nsx: ");
        manufacturerName = scan.nextLine();
        System.out.println("Nhap ten sach: ");
        bookName = scan.nextLine();
        System.out.println("Nhap gia: ");
        price = Float.parseFloat(scan.nextLine());
    }
    
    public void display() {
        System.out.println(this);
    }

    @Override
    public String toString() {
        return "nickname=" + nickname + ", manufacturerName=" + manufacturerName + ", bookName=" + bookName + ", price=" + price;
    }
    
    
}

#BT996.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

/**
 *
 * @author diepvan
 */
public class BT996 {
    public static void main(String[] args) {
        Author author = new Author();
        author.input();
        
        Manufacturer manufacturer = new Manufacturer();
        manufacturer.input();
        
        Book book = new Book();
        book.input();
        
        author.display();
        manufacturer.display();
        book.display();
    }
}

#IInput.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

/**
 *
 * @author diepvan
 */
public interface IInput {
    void input();
}

#IInputOutput.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

/**
 *
 * @author diepvan
 */
public interface IInputOutput extends IInput, IOutput{
    int k = 100;//class: public final int k = 100;
//    void showMessage();
}

#ILog.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

/**
 *
 * @author diepvan
 */
public interface ILog {
    void showLog();
}

#IOutput.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

/**
 *
 * @author diepvan
 */
public interface IOutput {
    void display();
}

#Manufacturer.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Scanner;

/**
 *
 * @author diepvan
 */
public class Manufacturer implements IInputOutput{
    String name;
    String ownerName;
    String establishDate;
    Date esDate;

    public Manufacturer() {
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getOwnerName() {
        return ownerName;
    }

    public void setOwnerName(String ownerName) {
        this.ownerName = ownerName;
    }

    public String getEstablishDate() {
        return establishDate;
    }

    public void setEstablishDate(String establishDate) {
        this.establishDate = establishDate;
    }
    
    public void input() {
        Scanner scan = new Scanner(System.in);
        
        System.out.println("Nhap ten nsx: ");
        name = scan.nextLine();
        System.out.println("Nhap chu so huu: ");
        ownerName = scan.nextLine();
        System.out.println("Nhap ngay thanh lap: ");
        establishDate = scan.nextLine();
        System.out.println("Nhap ngay thanh lap (dd/MM/yyyy): ");
        String esDateStr = scan.nextLine();
        try {
            //Convert string date -> Date trong Java
            esDate = new SimpleDateFormat("dd/MM/yyyy").parse(esDateStr);
        } catch (ParseException ex) {
            esDate = null;
        }
    }
    
    public void display() {
        System.out.println(this);
    }

    @Override
    public String toString() {
        return "name=" + name + ", ownerName=" + ownerName + ", establishDate=" + establishDate;
    }
    
    
}

#Test.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

import java.util.ArrayList;

/**
 *
 * @author diepvan
 */
public class Test {
    public static void main(String[] args) {
        ArrayList<IInputOutput> list = new ArrayList<>();
        
        Author a = new Author();
        list.add(a);
        
        Manufacturer m = new Manufacturer();
        list.add(m);
        
        Book b = new Book();
        list.add(b);
        
        System.out.println("=== Nhap du lieu ===");
        for (IInputOutput baseObject : list) {
            baseObject.input();
        }
        
        System.out.println("=== Hien thi ===");
        for (IInputOutput baseObject : list) {
            baseObject.display();
        }
    }
}