Coffee shop

import java.util.*;

class Item {
        String name;
        double price;
        Item(String name,double price){
        this.name=name;
        this.price=price;
        }
        public void setName(String name){
                this.name = name;
        }
        public String getName() {
                return name;
        }
        public void setPrice(double price) {
                this.price = price;
        }
        public double getPrice(){
                return price;
        }
       }
class NameComparator implements Comparator{
    public int compare(Object o1, Object o2){    
       String name1 = ((Item)o1).getName();        
       String name2 = ((Item)o2).getName();
       return name1.compareTo(name2);
 }
}
class PriceComparator implements Comparator{
  public int compare(Object o1, Object o2){
 if (((Item)o1).getPrice() < ((Item)o2).getPrice()) return -1;
        if (((Item)o1).getPrice() > ((Item)o2).getPrice()) return 1;
        return 0;
    } 
}
class  CoffeeDriver
{
    static ArrayList<Item> list=new ArrayList<Item>();
    public static void sortName(){
    Collections.sort(list,new NameComparator());
                for(Item data: list){
               System.out.println(data.getName()+"\t "+data.getPrice());
    }
    }
    public static void sortPrice(){
    Collections.sort(list,new PriceComparator());
                for(Item data: list){
               System.out.println(data.getName()+"\t "+data.getPrice());
    }
    }
    public static void main(String[] args) 
    {
        Scanner input=new Scanner(System.in);

               list.add(new Item("Bagel",1.25));
               list.add(new Item("Water",2.00));
               list.add(new Item("Coffee",1.00));
               list.add(new Item("Donut",0.75));
               list.add(new Item("Milk",1.50));
               System.out.println("Sorted By Name");
               System.out.println("Sorted By Price");
               System.out.println("Exit");
                boolean exit=false;
               do{
               System.out.print("Enter your choice: ");
               int choice=input.nextInt();

             switch(choice){
             case 1:
                 sortName();
                 break;
             case 2: 
                 sortPrice();
             break;
             case 3:
                 exit=true;
             break;
             default:
                 System.out.println("Invalid");
         }
               }
         while(!exit);
    }
    }