127、Java面向对象之对象的比较

package TIANPAN;

class Book {
    private String title;
    private double price;

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

    public String getTitle() {
        return this.title;
    }

    public double getPrice() {
        return this.price;
    }
}

/**
 * 此处为文档注释
 *
 * @author 田攀 微信382477247
 */
public class TestDemo {
    public static void main(String args[]) {
        Book b1 = new Book("Java开发", 79.8);     // 实例化Book类对象
        Book b2 = new Book("Java开发", 79.8);     // 实例化Book类对象
        if (b1.getTitle().equals(b2.getTitle())
                && b1.getPrice() == b2.getPrice()) {         // 属性比较
            System.out.println("是同一个对象！");
        } else {
            System.out.println("不是同一个对象！");
        }
    }
}