Chapter 24 — Encapsulation, Getters/Setters: Exercise 3 — Hard

Exercise 3 — Hard

Task:
To'liq ShoppingCart class yarating: #items (private array). addItem(name, price), removeItem(name) metodlari, get total() getter (barcha narxlar yig'indisi), get itemCount() getter (mahsulotlar soni). Barcha metodlarga tegishli tekshiruvlar (validation) qo'shing.
Required Concepts:

• Private fields (array)
• Getters
• Array methods (Chapter 14-15)
  Hint:
  #items — object'lar array'i bo'lsin: { name, price }.