food.java

来自「java装饰模式。通过装饰完成对上层类的封装。」· Java 代码 · 共 11 行

import java.io.*;
public class food extends goods
{

	/*inherit from goods*/
	public food(double cost,int num, abs theAbs)
	{
		super(cost,num,theAbs);
		item="food";
	}
}