图书管理信息系统java
时间: 2023-12-18 09:29:30 浏览: 18
以下是一个简单的Java图书管理系统的示例代码,它包括添加、删除、查询和显示所有图书的功能:
```java
import java.util.ArrayList;
import java.util.Scanner;
public class BookManagementSystem {
private ArrayList<Book> bookList = new ArrayList<Book>();
private Scanner scanner = new Scanner(System.in);
public static void main(String[] args) {
BookManagementSystem system = new BookManagementSystem();
system.run();
}
public void run() {
while (true) {
System.out.println("请选择操作:");
System.out.println("1.添加图书");
System.out.println("2.删除图书");
System.out.println("3.查询图书");
System.out.println("4.显示所有图书");
System.out.println("5.退出系统");
int choice = scanner.nextInt();
switch (choice) {
case 1:
addBook();
break;
case 2:
deleteBook();
break;
case 3:
searchBook();
break;
case 4:
displayAllBooks();
break;
case 5:
System.exit(0);
break;
default:
System.out.println("无效的选择,请重新输入!");
break;
}
}
}
private void addBook() {
System.out.println("请输入图书名称:");
String name = scanner.next();
System.out.println("请输入图书作者:");
String author = scanner.next();
System.out.println("请输入图书价格:");
double price = scanner.nextDouble();
Book book = new Book(name, author, price);
bookList.add(book);
System.out.println("添加成功!");
}
private void deleteBook() {
System.out.println("请输入要删除的图书名称:");
String name = scanner.next();
for (int i = 0; i < bookList.size(); i++) {
Book book = bookList.get(i);
if (book.getName().equals(name)) {
bookList.remove(i);
System.out.println("删除成功!");
return;
}
}
System.out.println("未找到该图书!");
}
private void searchBook() {
System.out.println("请输入要查询的图书名称:");
String name = scanner.next();
for (int i = 0; i < bookList.size(); i++) {
Book book = bookList.get(i);
if (book.getName().equals(name)) {
System.out.println(book);
return;
}
}
System.out.println("未找到该图书!");
}
private void displayAllBooks() {
for (int i = 0; i < bookList.size(); i++) {
System.out.println(bookList.get(i));
}
}
}
class Book {
private String name;
private String author;
private double price;
public Book(String name, String author, double price) {
this.name = name;
this.author = author;
this.price = price;
}
public String getName() {
return name;
}
public String getAuthor() {
return author;
}
public double getPrice() {
return price;
}
public String toString() {
return "书名:" + name + ",作者:" + author + ",价格:" + price;
}
}
```
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