Write some software -- 2

I need you to develop some software for me. I would like this software to be developed using Javascript. You are required to develop a Java API that can parse and encode the contents of a text file or

URL (small or very large…). The API should uphold the principles of loose-coupling and high

cohesion throughout its design by correctly applying abstraction, encapsulation, composition,

inheritance and polymorphism. The output of the programme should be a text file containing

each of the words encoded as a unique five-digit number, displayed ten codes per line like the

original Zimmerman telegram.

Fig 1.

As illustrated in Fig. 1, the API should:

• Build an encoding and a decoding lookup table for a set of commonly used English

words. Use instances of the Map interface to relate words to numbers and numbers to

words. A text file containing 900 commonly used English words, ranked in

descending order by usage frequency, is available on Moodle1


• The application should generate a total of 75,000 random unique integers to associate

with the 900 words, enabling multiple numbers to be assigned to each word. Wordswith a higher usage frequency should be given more numbers than those that are used

rarely. You should try to avoid using the same number twice in a message (this will

not be possible for a large text file) as repetition is the mortal enemy of a


• The application should parse a given input file or URL line-by-line, extract each word

in the line of text, encode it as an integer and append it to an output file.

Please note the following additional requirements:

• You must comment each method in your application stating its running time (in Big-

O notation) and your rationale for its estimation.

• Document your code using the JavaDoc standard. JavaDocs are an industry standard

for inline documentation of Java classes. A quick JavaDoc tutorial, from the

University of Birmingham, is available on Moodle. Eclipse provides full support for

the JavaDoc standard, including intelli-sense drop down suggestions.

• Provide a UML diagram of your design (a photograph of a neatly-drawn sketch will

suffice). Please pay particular attention to how your application must be packaged

and submitted.

Umiejętności: JavaScript, Architektura oprogramowania

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O pracodawcy:
( 0 ocen ) Ireland

Numer ID Projektu: #16078747

12 freelancers are bidding on average €148 for this job


Hello, and thanks for the opportunity to bid on your project. I am an expert in many different area’s of web and mobile applications based on the following languages: W Więcej

€210 EUR w ciągu 3 dni
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Hi, I am Simon from Australia. I have 7+ years in web designing & development with good experience in following skills ... 1. HTML5 2. CSS,CSS 3 & LESS 3. JS (Angular JS, Backbone JS,React JS, node.js, ex Więcej

€200 EUR w ciągu 3 dni
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Hello, I m Tahsinul Alam, completed MSC in Soft Engineering now working as one of the project manager in WEB development team of Workspace Infotech Ltd, software/Outsourcing firm located in Dhaka, Bangladesh. We ha Więcej

€155 EUR w ciągu 3 dni
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€155 EUR w ciągu 3 dni
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€155 EUR w ciągu 3 dni
(16 Ocen)

We already had done something like this before As i saw your project description i can assure you that your project will be completed on time.

€157 EUR w ciągu 5 dni
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€155 EUR w ciągu 3 dni
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Hi,   I have gone through your project details and I assure I can do it  as  i got all the skills  required for this project. I have already completed a lot of similar  projects in the past so it is my pleasure to work Więcej

€30 EUR w ciągu 3 dni
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€194 EUR w ciągu 3 dni
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Sir, We are SixSquare Technologies Pvt. Ltd., a promising IT software development company. We are expert in PHP, Wordpress, HTML, .NET, JAVA, Android & iOS, with 3+ years in mobile application development field and al Więcej

€250 EUR w ciągu 21 dni
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