博客

Description

构建一个书单类BookList，该类中用一个列表类对象存放书单，提供添加图书（addBook）、查找图书（searchBook）的函数
main函数从键盘输入多个Book添加到书单中，（添加时，提供书的名称、价格、作者、版本号），而后从键盘读入一本书，查找该列表对象中是否包含该书，若包含，输出”found: 该书在列表中的序号”，若不包含，输出“not found”，查找时，提供书的名称、作者、版本号。

Input

添加书的个数
添加的书
查找的书

Output

查找结果

Sample Input

2
ThinkingInJava
86
BruceEckel
4
CoreJava
95
CayS.Horstmann
10
CoreJava
CayS.Horstmann
10

Sample Output

found: 1 

import java.util.*;
class Book{
	private String NameOfBook;
	private int price;
	private String Author;
	private int additionnum;
	
	public Book(String NameOfBook, int price,String Author, int additionnum)
	{
		this.NameOfBook = NameOfBook;
		this.price = price;
		this.Author = Author;
		this.additionnum = additionnum;
	}
	public String getName()
	{
		return this.NameOfBook;
	}
	public String getAuthor()
	{
		return this.Author;
	}
	public int getadditionnum()
	{
		return this.additionnum;
	}
	public String toString()
	{
		return this.NameOfBook;
	}
}
class BookList{
	LinkedList <Book> booklist ;
	public BookList()//一定要初始化！！！！！
	{
		this.booklist = new LinkedList<>();
	}
	public void addBook(Book b)
	{
		booklist.add(b);
	}
	public void searchBook(Book b)
	{
		String tempname = b.getName();
		int tempaddno = b.getadditionnum();
		String tempau = b.getAuthor();
		int findflag = 0;
		for(int i = 0;i<booklist.size();i++)
		{
			Book tempbook = booklist.get(i);
			if(tempbook.getName().equals(tempname) && tempbook.getadditionnum() == tempaddno && tempbook.getAuthor().equals(tempau))
			{
				System.out.println("found: "+i);
				findflag = 1;
			}
		}
		if(findflag == 0)
		{
			System.out.println("not found");
		}
		
	}
}

public class Main {

	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		BookList bl = new BookList();
		int n = s.nextInt();
		for (int i=0; i<n;i++) {
			bl.addBook(new Book(s.next(),
					s.nextInt(),
					s.next(),
					s.nextInt()));
		}
	
		
		bl.searchBook(new Book(s.next(),
					0,
					s.next(),s.nextInt()));

	}

}