deliversale.java

java编的销售系统

//外卖
class DeliverSale extends Sale
{
	private String diliverID ;
	private Customer customer;
	
	public DeliverSale()
	{
		super();
		diliverID = null;
	}
	
	public void setDeliverID(String id)
	{
		diliverID = id;
	}
	//记录客户
	public void setCustomer(Customer aCustomer)
	{
		customer = aCustomer;
	}
}