用Java对图书进行增删改查

在控制台用菜单的形式显示出来
  1,增加一本书   2，根据id查找一本书 3, 根据书名模糊查找书 4,查看所有书信息

  根据上面的要求封装类和方法，并进行相应操作。

import java.util.LinkedList;
import java.util.Scanner;

public class book {
	LinkedList<book>list=new LinkedList<>();
	Scanner in=new Scanner(System.in);
	private int id;
	private String name;
	private String anthor;
	private String Publishing;
	public book(int id, String name, String anthor, String publishing) {
		super();
		this.id = id;
		this.name = name;
		this.anthor = anthor;
		Publishing = publishing;
	}
	public book(){}
	
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getAnthor() {
		return anthor;
	}
	public void setAnthor(String anthor) {
		this.anthor = anthor;
	}
	public String getPublishing() {
		return Publishing;
	}
	public void setPublishing(String publishing) {
		Publishing = publishing;
	}
	
	
	public void addbook(){//增加
		book bo=new book();
		System.out.print("书id：");
		bo.setId(in.nextInt());
		Scanner s = new Scanner(System.in);
		System.out.print("书名：");
		bo.setName(s.nextLine());
		System.out.print("作者：");
		bo.setAnthor(s.nextLine());
		System.out.print("出版社：");
		bo.setPublishing(s.nextLine());
		list.add(bo);
		System.out.println("添加成功");
		System.out.println("-----------------------------");
		menu();
	}
	public void getById(){//通过书id
		System.out.println("输入查询的id");
		int id =in.nextInt();
		int i=0;
		for( i=0;i<list.size();i++){
			if(list.get(i).getId()==id){
				System.out.println("查询成功");
				System.out.println("书Id："+list.get(i).getId()+"  书名："+list.get(i).getName()+"  作者："+list.get(i).getAnthor()+"  出版社："+list.get(i).getPublishing());
				break;
			}
		}
		if(i==list.size()){System.out.println("查无此书");}
		System.out.println("任意键继续");
		int ting=in.nextInt();//停一下
		menu();
	}
	public void getByName(){//根据书名
		System.out.println("请输入需要查询的书名：");
		Scanner in = new Scanner(System.in);
		String n=in.nextLine();
		System.out.println("所有可能的书籍为：");
		for(int i=0;i<list.size();i++){
			if(list.get(i).getName().contains(n)){
				System.out.println("书Id："+list.get(i).getId()+"  书名："+list.get(i).getName()+"  作者："+list.get(i).getAnthor()+"  出版社："+list.get(i).getPublishing());
			}
		}
		System.out.println("任意键继续");
		int ting=in.nextInt();//停一下
		menu();
	}
	public void listall(){//所有书
		for(int i=0;i<list.size();i++){
			System.out.println("书Id："+list.get(i).getId()+"  书名："+list.get(i).getName()+"  作者："+list.get(i).getAnthor()+"  出版社："+list.get(i).getPublishing());
		}
		System.out.println("任意键继续");
		int ting=in.nextInt();//停一下
		menu();
	}
	public void menu(){
		System.out.println("请选择菜单");
		System.out.println("0-退出");
		System.out.println("1-增加一本书");
		System.out.println("2-根据id查找");
		System.out.println("3-根据书名模糊查找");
		System.out.println("4-查看所有书");
		System.out.println("-----------------------------");
		int menu=in.nextInt();
		switch(menu){
		case 0:
			System.exit(0);
		case 1:
			addbook();
			break;
		case 2:
			getById();
			break;
		case 3:
			getByName();
			break;
		case 4:
			listall();
			break;
		}
	}
	
}

测试类

public class test {

	public static void main(String[] args) {
		book b=new book();
		b.menu();
	}

}