java program -- 2

Your system design should conform to the Open Closed Principle so that your design should easily support new functions (e.g. change of name of security) and securities, for example, creation of BankNote record which is a subclass of Security.

You MUST apply the following design patterns for your new system

Command pattern to provide the “create”, “display”, “deposit”, “withdraw”, “undo”,

“redo” and “show undo/redo list” functions

Factory pattern or Abstract Factory Pattern to create different Command objects and Security objects (e.g. Bond object, Stock object, etc.)

Memento pattern to provide “Undo” and “Redo” functions

Habilidades: Java

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Información del empleador:
( 1 comentario ) HongKong, Hong Kong

Nº del proyecto: #12023122

7 freelancers están ofertando el promedio de $196 para este trabajo


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$210 HKD en 2 días
(2 comentarios)

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$200 HKD en 1 día
(2 comentarios)

Warm greetings, I have gone through your requirements and I can do this task. The skills and resources needed for this project are in my genres. I can assure you for a complete professional work in given time line. Más

$220 HKD en 3 días
(4 comentarios)

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$100 HKD en 5 días
(2 comentarios)

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$240 HKD en 14 días
(0 comentarios)

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$200 HKD en 3 días
(1 comentario)

Hello, I am Ankit Parmar. I have 6 years of exp with Java. I would like to message me so we can discuss about this job. Thanks, Ankit

$200 HKD en 1 día
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