stock.java

处方跟踪系统的开发

import java.util.ArrayList;
public class  Stock
{  
   private ArrayList<Medicine>medicineList;

   //构造器 
   public Stock()
   {   
	 medicineList=new ArrayList<Medicine>();
   }
   //toString()方法
   public String toString()
   {   	 
      return("The totalNum of medicines is : "+medicineList.size());    
   }
   //display()方法
   public void display()
   {
     if(medicineList.isEmpty()==false)
	   {
         for(Medicine m:medicineList)
	      {
			    m.display();
		    }
	   }
   }
   //属性的get()方法和set()方法
   public void addMedicine(Medicine m)
	{
     this.getMedicineList().add(m);
   }
   public ArrayList<Medicine> getMedicineList()
   {
   	return medicineList;
   	}
   public void dropList(Medicine m)
	{
     medicineList.remove(m);
   }
}