BillingSystem

Billing System

by Gaurav Kabra

Read it as a webpage here.

Design

Below system uses:

Please go over the GOF Design Patterns Repo to be familiar with the design patterns.

Sample Run

Buying products for customer Gaurav Kabra
Paying amount 850.0
Paid an amount of 850.0 via UPI!
Paid amount 850.0
Sent SMS invoice to 82098xxxxx
Sent email invoice to gauravxxxxx.xxx****@gmail.com
Purchase complete!

Validations

Below ones should be implemented