inventoryitem.java

库存管理系统 采用JAVA来编写 希望对学习JAVA 的同学有所帮助

package merchant;

public class InventoryItem  extends Item{
	public InventoryItem(String id1,String desc1,double price1,int units1)
	{
		super(id1);
		desc=desc1;
		price=price1;
		units=units1;
	}
	public void remove(int num)
	{
		units-=num;
	}
	public void add(int num)
	{
		units+=num;
	}
	public String toString()
	{
		return super.toString()+"\t"+desc;
	}
}