need to create an online shopping system program in C++ or Java.

m1...m12 are all method/function names which should be implemented accordingly ( you can choose ur own way of how the method/function works).

eg. on the customer interface u can have selection of 4-5 items (iphone $500, headphones $30, etc) when the customer makes an order request.

the authorization no, order confirmation no can be randomly created numbers (6-8 digits).

Ml: Order Request user interaction Customer M12: Customer Output aCustomer M2 Order Request M11: Order Confirmation M5: Authorize Credit Card Request M3: Account Request interface reditCard business logic PurchaseOrder Manager entity Customer M8: Credit Card Approved M4 [Available] Account Info M6: Authorize M7: [Approvall Authorization Number Mlla: Send Order Confirmation Email M9: Create Order M10: Order Confirmation entity Delivery Order interface Email aBank Se Ml: Order Request user interaction Customer M12: Customer Output aCustomer M2 Order Request M11: Order Confirmation M5: Authorize Credit Card Request M3: Account Request interface reditCard business logic PurchaseOrder Manager entity Customer M8: Credit Card Approved M4 [Available] Account Info M6: Authorize M7: [Approvall Authorization Number Mlla: Send Order Confirmation Email M9: Create Order M10: Order Confirmation entity Delivery Order interface Email aBank Se