Write some Software

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

Umiejętności: Java

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O pracodawcy:
( 0 ocen ) hong Kong, Hong Kong

Numer ID Projektu: #12021783

Przyznany użytkownikowi:


We are team of excellent developers. We have 2 year experience related to your project field. We can do your project and solve your all problems according to your requirements. We have read your description for project Więcej

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5 freelancerów złożyło ofertę na kwotę $237 do tego projektu


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