MallAssistant

Mall Assistant is an object-oriented Java project simulating shopping malls, stores, and a discount system.

📊 Project Overview

The program demonstrates:

• Creation of shopping malls and stores (Kyiv, Milan, Dubai, Bratislava)
• Adding store categories (clothing, accessories)
• Applying pricing strategies (discounts)
• Data validation with custom exceptions
• Use of multithreading and object serialization

🧰 Technologies Used

• Java 17+
• OOP (encapsulation, inheritance, polymorphism, interfaces)
• ExecutorService (multithreading)
• Serializable (object serialization)

📍 Highlights

• Discount system using the Strategy pattern
• Data status checks with custom NullReferenceException
• Thread pool for background tasks
• Custom serialization for shopping malls