代码如下，请老师检阅一下，是否有需要修改的地方

package com.imooc.object;

public class Book {
	private String title;
	private String author;
	
	private String press;
	private double price;
	private double lowestPrice = 10;
	
	public Book(String title,String author,String press,double price) {
		this.title = title;
		this.author = author;
		this.setPress(press);
		this.setPrice(price);
	}
	
	public void introduction() {
		System.out.println("书名：" + this.getTitle());
		System.out.println("作者：" + this.getAuthor());
		System.out.println("出版社：" + this.getPress());
		System.out.println("价格：" + this.getPrice() + "元");
		
	}
	
	public String getPress() {
		return press;
	}

	public void setPress(String press) {
		this.press = press;
	}

	public double getPrice() {
		return price;
	}

	public void setPrice(double price) {
		if(price <= 10) {
			System.out.println("书的最低价格不得低于10元");
			this.price = lowestPrice;
		}else {
			this.price = price;
		}
	}

	public String getTitle() {
		return title;
	}

	public String getAuthor() {
		return author;
	}

}

public class BookTest {

public static void main(String[] args) {

// TODO Auto-generated method stub

Book one = new Book("红楼梦","曹雪芹","人民文学出版社",5);

one.introduction();

System.out.println("===============================");

Book two = new Book("小李飞刀","古龙","中国长安出版社",55.5);

two.introduction();

}

}