1. Draw a use-case diagram showing the interactions involved when a customer buys an item from Amazon. Customers need to login first or create an account, then they can search for an item, add it to cart, and process the payment. (Use maximum 6-7 use cases)

Note: You need to draw the diagrams using a UML tool

You can download for free: Visual Paradigm Community Edition: I dont need a hand drawing , I need you to use UML apps