[Java] 명품 자바 프로그래밍(Java Programming) 5장 Open Challenge

Product.java

 

 
package ch05;
 
public class Product {
    private int id;
    private String describe;
    private String producer;
    private int price;
 
    public Product() {
 
    }
 
    public Product(int id, String describe, String producer, int price) {
        super();
        this.id = id;
        this.describe = describe;
        this.producer = producer;
        this.price = price;
    }
 
    public void show() {
        System.out.println("상품 ID >> " + id);
        System.out.println("상품 설명 >> " + describe);
        System.out.println("생산자 >> " + producer);
        System.out.println("가격 >> " + price);
    }
 
    public int getId() {
        return id;
    }
 
    public void setId(int id) {
        this.id = id;
    }
 
    public String getDescribe() {
        return describe;
    }
 
    public void setDescribe(String describe) {
        this.describe = describe;
    }
 
    public String getProducer() {
        return producer;
    }
 
    public void setProducer(String producer) {
        this.producer = producer;
    }
 
    public int getPrice() {
        return price;
    }
 
    public void setPrice(int price) {
        this.price = price;
    }
 
}
 

Book.java

 

package ch05;
 
public class Book extends Product {
    private String ISBN;
    private String author;
    private String bookName;
 
    public Book() {
        super();
    }
 
    public Book(int id, String describe, String producer, int price,
            String iSBN, String author, String bookName) {
        super(id, describe, producer, price);
        ISBN = iSBN;
        this.author = author;
        this.bookName = bookName;
    }
 
    public void show() {
        super.show();
        System.out.println("ISBN >> " + ISBN);
        System.out.println("저자 >> " + author);
        System.out.println("책 제목 >> " + bookName);
    }
 
    public String getISBN() {
        return ISBN;
    }
 
    public void setISBN(String iSBN) {
        ISBN = iSBN;
    }
 
    public String getAuthor() {
        return author;
    }
 
    public void setAuthor(String author) {
        this.author = author;
    }
 
    public String getBookName() {
        return bookName;
    }
 
    public void setBookName(String bookName) {
        this.bookName = bookName;
    }
 
}
 

CompactDisc.java

 

 
package ch05;
 
public class CompactDisc extends Product {
    private String title;
    private String singer;
 
    public CompactDisc() {
        super();
    }
 
    public CompactDisc(int id, String describe, String producer, int price,
            String title, String singer) {
        super(id, describe, producer, price);
        this.title = title;
        this.singer = singer;
    }
 
    public void show() {
        super.show();
        System.out.println("앨범 제목 >> " + title);
        System.out.println("가수 >> " + singer);
    }
 
    public String getTitle() {
        return title;
    }
 
    public void setTitle(String title) {
        this.title = title;
    }
 
    public String getSinger() {
        return singer;
    }
 
    public void setSinger(String singer) {
        this.singer = singer;
    }
 
}
 

ConversationBook.java

 

 
package ch05;
 
public class ConversationBook extends Book {
    private String language;
 
    public ConversationBook() {
        super();
    }
 
    public ConversationBook(int id, String describe, String producer,
            int price, String iSBN, String author, String bookName,
            String language) {
        super(id, describe, producer, price, iSBN, author, bookName);
        this.language = language;
    }
 
    public void show() {
        super.show();
        System.out.println("언어 >> " + language);
    }
 
    public String getLanguage() {
        return language;
    }
 
    public void setLanguage(String language) {
        this.language = language;
    }
 
}
 

OpenChallenge05.java

 

 
package ch05;
 
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
 
public class OpenChallenge05 {
 
    @SuppressWarnings("resource")
    public static void main(String[] args) {
        List<Product> pArr = new ArrayList<Product>();
        Scanner scan = new Scanner(System.in);
 
        int count = 1;
        int chooser = 0;
 
        String describe = "";
        String producer = "";
        int price = 0;
 
        while (true) {
            System.out.print("상품 추가(1), 모든 상품 조회(2), 끝내기(3) >> ");
            chooser = scan.nextInt();
            switch (chooser) {
            case 1:
                System.out.print("상품 종류 책(1), 음악CD(2), 회화책(3) >> ");
                chooser = scan.nextInt();
 
                System.out.print("상품 설명 >> ");
                describe = scan.next();
                System.out.print("생산자 >> ");
                producer = scan.next();
                System.out.print("가격 >> ");
                price = scan.nextInt();
 
                switch (chooser) {
 
                case 1:
                    Book b1 = new Book();
                    b1.setId(count);
                    b1.setDescribe(describe);
                    b1.setProducer(producer);
                    b1.setPrice(price);
 
                    System.out.print("책 제목 >> ");
                    b1.setBookName(scan.next());
 
                    System.out.print("저자 >> ");
                    b1.setAuthor(scan.next());
 
                    System.out.print("ISBN >> ");
                    b1.setISBN(scan.next());
 
                    pArr.add(b1);
                    count++;
                    break;
 
                case 2:
                    CompactDisc c1 = new CompactDisc();
                    c1.setId(count);
                    c1.setDescribe(describe);
                    c1.setProducer(producer);
                    c1.setPrice(price);
 
                    System.out.print("앨범 제목 >> ");
                    c1.setTitle(scan.next());
 
                    System.out.print("가수 >> ");
                    c1.setSinger(scan.next());
 
                    pArr.add(c1);
                    count++;
                    break;
 
                case 3:
                    ConversationBook cv1 = new ConversationBook();
                    cv1.setId(count);
                    cv1.setDescribe(describe);
                    cv1.setProducer(producer);
                    cv1.setPrice(price);
 
                    System.out.print("책 제목 >> ");
                    cv1.setBookName(scan.next());
 
                    System.out.print("저자 >> ");
                    cv1.setAuthor(scan.next());
 
                    System.out.print("ISBN >> ");
                    cv1.setISBN(scan.next());
 
                    System.out.print("언어 >> ");
                    cv1.setLanguage(scan.next());
 
                    pArr.add(cv1);
                    count++;
                    break;
                }
                break;
 
            case 2:
                for (int i = 0; i < pArr.size(); i++) {
                    pArr.get(i).show();
                }
 
                break;
 
            case 3:
                System.exit(0);
            }
 
        }
    }
 
}
 

실행 결과: