Interview Exam #1 Hi and thank you for applying for a Backend engineer position at Nanox. This is short test that is designed to evaluate your knowledge and experience in OOP. Application Factory Overview Create an appliance factory that creates appliances by the following categories: Kitchen appliances. Bathroom appliances. Livingroom appliance. Each appliance should have the following shared fields/methods: ItemId (auto generated). Price. Category. Task Bool CheckIfInStock(). Plus, the following appliances should have specific properties: Kitchen appliances Size IsWaterResistant Bathroom Appliances Voltage IsElectric Livingroom appliance Weight Height Your Task Create a deserializer method that deserialize json string to an appliance. Please note that the deserializer method should be tolerant to changes with the entity fields (!!!!). Create a method that process a heterogeneous list of all appliances and checks if they are in stock (checking must be concurrent and number of working tasks/threads should be configurable). The method should return a Boolean array. Notes We expect to see: Usage of OOP and design pattens. Clean code. Remarks. And please do not invent the wheel. unless you must.