TestBook

标签：String title printInfo price Book TestBook out

package com.shrimpking.t5;

/**
 * Created by IntelliJ IDEA.
 *
 * @Author : Shrimpking
 * @create 2024/9/15 21:10
 */
class Book{
    String title;
    double price;

    public Book(String title, double price)
    {
        this.title = title;
        this.price = price;
    }

    public String printInfo(){
        return String.format("图书名称:%s，价格%f",this.title,this.price);
    }
}

public class TestBook
{
    public static void main(String[] args)
    {
        Book bookA = new Book("三国演义",99);
        Book bookB = new Book("西游记",99);

        System.out.println(bookA.printInfo());
        System.out.println(bookB.printInfo());
        bookA = bookB;
        System.out.println(bookA.printInfo());
        System.out.println(bookB.printInfo());

    }
}

标签：String,title,printInfo,price,Book,TestBook,out
From： https://blog.51cto.com/u_15356972/12089180