buycustomer.java

航空定票系统 JBUILDER 编程实现 线性表应用

package member;
public class BuyCustomer extends Customer
{
	private int grade;
	public BuyCustomer()
	{
		super();
		grade=1;
	}
	public BuyCustomer(String name,int grade)
	{
		super(name);
		this.grade=grade;
	}
	public int getGrade()
	{
		return grade;
	}
}
/*已订票的客户名单（包括姓名、舱位等级1，2或3、座号）*/