book.java

一个网上书店的程序代码

package Bk;

public class Book{
	public long	id;
	public String  name;
	public float	price;
	public int	category;
	public long	quantity;
	public Book(){
		id=0;
		name=null;
		price=0f;
		category=0;
		quantity=0;
	}
}