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Draw a Class Diagram for the following system using UML Diagram:  1

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Draw a Class Diagram for the following system using UML Diagram: 

1. Snack:

 a) Has a public name

 b) Has a public price, and c) Has a private number of calories. 

2. VendingMachine:

 a) Has a VendingInterface

 b) Aggregates multiple Snacks 

c) Has a method onSnackSelected(String name) 

d) Has a method getSnack(): Snack

 3. VendingInterface (Interface that Communicates with the VendingMachine): 

a. Has a method addmoney(double money) 

b. Has a method refundmoney()

 4. Payment (Implements VendingInterface): a) Overrides addmoney(double money)

b) Overrides refundmoney()