head.java

java装饰模式。通过装饰完成对上层类的封装。

import java.io.*;
import java.util.*;
public class head extends abs
{
	String customerName;
	String marketName;
	String currentDate=(new   java.util.Date()).toString();
	/*a not that beautiful head*/
	public head(String customerName,String marketName)
	{
		setCustomerName(customerName);
		setMarketName(marketName);
	}
	public  void display()
	{
		System.out.println("*****   INVOICE  *****\n");
		System.out.println("The buyer  is "+getCustomerName()+"\n");
		System.out.println("The market is "+getMarketName()+"\n");
		System.out.println("The date is"+currentDate+"\n");
	}
	public void setCustomerName(String name)
	{
		customerName=name;
	}
	public void setMarketName(String name)
	{
		marketName=name;
	}
	public String getCustomerName()
	{
		return customerName;
	}
	public String getMarketName()
	{
		return marketName;
	}
	public double getFinalCost()
	{
		return 0.0;
	}
}