麻烦老师检查

public class BookTest {
    public static void main(String[] args) {
        Book b1=new Book("红楼梦","曹雪芹","人民文学出版社",9);
        b1.displayInfor();
        System.out.println("==============================");
        Book b2=new Book("小李飞刀","古龙","中国长安出版社",55.5);
        b2.displayInfor();
    }
    }

public class Book {
    private String name;
    private String author;
    private String press;
    private double price;
    public String getName()
    {
        return name;
    }
    public String getAuthor() {
        return author;
    }
    public String getPress() {
        return press;
    }
    public double getPrice() {
        return price;
    }
    public Book(String name, String author, String press,double price)
    {
        this.name=name;
        this.author=author;
        this.press=press;
        this.price=price;
        if (price<10)
        {
            System.out.println("图书价格最低10元");
            price=10;
        }
        this.price=price;
    }
  public void displayInfor(){
        System.out.println("书名："+name+"\n"+"作者："+author+"\n"+"出版社："+press+"\n"+"价格："+price);
  }
}