Assignment 11

import java.util.ArrayList;
import java.util.List;
class CreditCardStrategy implements PaymentStrategy {
 private String name;
 private String cardNumber;
 private String cvv;
 private String dateOfExpiry;
 public CreditCardStrategy(String nm, String ccNum, String cvv, String expiryDate){
 this.name=nm;
 this.cardNumber=ccNum;
 this.cvv=cvv;
 this.dateOfExpiry=expiryDate;
 }
 @Override
 public void pay(int amount) {
 System.out.println(amount +" paid with credit/debit card");
 }
}

class Item {
 private String upcCode;
 private int price;

 public Item(String upc, int cost){
 this.upcCode=upc;
 this.price=cost;
 }
 public String getUpcCode() {
 return upcCode;
 }
 public int getPrice() {
 return price;
 }
}

interface PaymentStrategy {
 public void pay(int amount);
}
class PaypalStrategy implements PaymentStrategy {
 private String emailId;
 private String password;
 public PaypalStrategy(String email, String 
pwd){
 this.emailId=email;
 this.password=pwd;
 }
 @Override
 public void pay(int amount) {
System.out.println(amount + "paid using Paypal.");
 }
}

class ShoppingCart {
 List<Item> items;
 public ShoppingCart(){
 this.items=new ArrayList<Item>();
 }
 public void addItem(Item item){
 this.items.add(item);
 }
 public void removeItem(Item item){
 this.items.remove(item);
 }
 public int calculateTotal(){
 int sum = 0;
 for(Item item : items){
 sum += item.getPrice();
 }
 return sum;
 }
 public void pay(PaymentStrategy paymentMethod){
 int amount = calculateTotal();
 paymentMethod.pay(amount);
 }
}

class ShoppingCartTest {
 public static void main(String[] args) {
 ShoppingCart cart = new ShoppingCart();
 Item item1 = new Item("1234",60);
 Item item2 = new Item("5678",40);
 cart.addItem(item1);
 cart.addItem(item2);

cart.pay(new PaypalStrategy("adpatil@gmail.com", "pwd"));
 cart.pay(new CreditCardStrategy("Ashvini Patil", "1234567890123456", "786", "12/15"));
 }
}