System Development: Mobile Pay

Running head: MOBILE PAY
System Development:
Mobile Pay
Name of the Student:
Name of the University:
Author Note

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MOBILE PAY
Table of Contents
Description of the application..........................................................................................................2
Tiers of the system...........................................................................................................................2
Overall structure of implementation................................................................................................2
Class diagram...................................................................................................................................3
Activity diagram..............................................................................................................................4
Sequence diagram............................................................................................................................5
Use-case diagram.............................................................................................................................6
User interfaces design......................................................................................................................6
Demonstrate if the design is robust.................................................................................................8
Fault tolerant....................................................................................................................................8
Minimal recovery time....................................................................................................................9
Scalable............................................................................................................................................9
Secure..............................................................................................................................................9
References......................................................................................................................................10

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MOBILE PAY
Description of the application
The application that would be designed would be an online money transaction
application. This application would allow the users to create a wallet online and also allow to
upload money in the wallet and make payments with the help of the wallet [4]. The name of the
application is MobilePay and the application would be created for the android version.
Tiers of the system
The application that is to be developed is a three tiers application [2]. The three tiers used
by the application are:
 Presentation tier: This tier is basically the tier of application which the user would be able
to view.
 Business logic tier: This tier would generally deal with the business prospect of the
application such as the payment procedures generally the back end of the system.
 Data Storage tier: This tier of the system is generally concerned with the storage of
different type of data for the system such as the customer data and bank details.
Overall structure of implementation
The system would be concerned with design of a platform that stores the financial details
of a person online and provides the user with the option to store money online and the money
would be acquired by the company and stored in their vaults and paid to the vendor when the
customers wants to pay for his purchases or any other processes.

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MOBILE PAY
Class diagram