java program

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:
( 1 ocena ) HongKong, Hong Kong

Numer ID Projektu: #12023049

4 freelancerów złożyło ofertę na kwotę $188 do tego projektu


I am Oracle Certified Java Professional having 8 years of experience in Software development and Enterprise System Integration on Java platform. I have a strong bias towards open-source customization and experience in Więcej

$200 HKD w ciągu 1 dnia
(6 Oceny)
$666 HKD w ciągu 1 dnia
(5 Oceny)

Hello, I am so much interested to do the project in lowest rate as ti have found your attached program very interesting. Thnks Pias

$160 HKD w ciągu 7 dni
(2 Oceny)

Hello sir/madam i have firm grasp in java programming and has a a lot of experience in it , i am pretty sure i can help [login to view URL] to see you in chat soon.

$200 HKD w ciągu 1 dnia
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$200 HKD w ciągu 10 dni
(1 Ocena)

We have 1000+ employees in our company. So we can do all kind of IT project in any languages and all stream. We have 3 years+ experience employees for all streams especially C PROGRAMMING, C++,C#, , HTML,HTML5,WORDPR Więcej

$220 HKD w ciągu 1 dnia
(0 Oceny)

We are the leading young professional software development organization having extensive technical expertise and knowledge in developing, managing, optimizing and customizing software’s both in Web and Desktop Applicat Więcej

$190 HKD w ciągu 5 dni
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