content: package com.itbulls.learnit.javacore.oop.exam.templates.onlineshop.enteties.impl;
  
  import com.itbulls.learnit.javacore.oop.exam.onlineshop.enteties.Order;
  import com.itbulls.learnit.javacore.oop.exam.onlineshop.enteties.Product;
  
  public class DefaultOrder implements Order {
  
  	private static final int AMOUNT_OF_DIGITS_IN_CREDIT_CARD_NUMBER = 16;
  	
  	private String creditCardNumber;
  	private Product[] products;
  	private int customerId;
  
  	@Override
  	public boolean isCreditCardNumberValid(String creditCardNumber) {
  		// <write your code here>
  		return false;
  	}
  
  	@Override
  	public void setCreditCardNumber(String creditCardNumber) {
  		// <write your code here>
  	}
  
  	@Override
  	public void setProducts(Product[] products) {
  		// <write your code here>
  	}
  
  	@Override
  	public void setCustomerId(int customerId) {
  		// <write your code here>
  	}
  
  
  	@Override
  	public int getCustomerId() {
  		return this.customerId;
  	}
  	
  	@Override
  	public String toString() {
  		// <write your code here>
  		return null;
  	}
  
  	
  	
  	
  
  }
  