Problem Statement
Design OO food delivery app catering to use cases -
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User can search different restaurant
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User can select a restaurant
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User sees a menu
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Restaurant can change the menu any time
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User adds an item from menu
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User orders the food
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User can track the order in real time
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User can cancel the order
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User pays for the order
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Calculation of Tax based on the type of Restraunt
Soulution:
Design Patterns involved in the design of this app:
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Builder Design Pattern (For adding food item and ordering)
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Interpreter Design Pattern (User can Search Different restaurant)
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Iterator Pattern (User Sees Menu)
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Observer Pattern (Track an order in Real Time)
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(Command Design Pattern) Order and cancellation of Food
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(Strategy Design Pattern) Calculation of Tax based on the type of Restraunt
