Implementing postfix calculator by using stack (java programming)

The application must be a GUI application, allowing the user to enter operands (the numbers) and operators as a string into the display window.

When the user clicks the “Calculate” button, the application will attempt to perform the calculation. If it cannot, an appropriate error should be displayed. Examples of exceptions would be a division by zero attempt, or an incorrectly formed postfix string for an equation.

The user can only enter numbers using the buttons on the calculator. He/she may not use the keyboard to enter the numbers or operators.

Umiejętności: Java, JavaFX

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O pracodawcy:
( 5 ocen ) Farmington Hills, United States

Numer ID Projektu: #22228960

Przyznany użytkownikowi:


Hi, We are a team of professional software developers. We have expertise in Java and have done a similar project recently. Project link: Kindly c Więcej

$30 USD w 1 dzień
(63 ocen)

12 freelancerów złożyło ofertę na kwotę $38 do tego projektu


Hello My name is Ahmed, i'm a top rated freelancer. i worked over 400 projects and over 700 hours doing java projects. plus i passed freelancer java v3 exam with score 3.75 plus i got 2 java certificate 1Z0-803 and 1Z Więcej

$50 USD w ciągu 2 dni
(410 Oceny)

HI..I am proficient in core Java object oriented programming along with algorithms to evaluate math postfix expression using stack, queue and can help you implement the postfix calculator as a GUI java desktop applicat Więcej

$70 USD w ciągu 2 dni
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Hi, I am an expert on Java stacks and was working for american software companies and then started working as a freelancing consultant. Here several projects I am working Java with Swing too. Couple of months ago I dev Więcej

$40 USD w ciągu 2 dni
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Dear Customer, (First of all we want to clarify that the budget and the time of the project is defined once we discuss its details) I've excellent programming and development skills and knowledge. I can provide an ef Więcej

$30 USD w ciągu 1 dnia
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Hi, I have experience of Java programming. I have read and understood your project requirements and I'm very interested to do it. I have completed many projects including concept of file input output, data structure, a Więcej

$50 USD w ciągu 2 dni
(20 Oceny)

Sir, I read your requirement carefully and am interested in your project. I'm an experienced software developer, and I can create the application calculator you need. These an example of my work : Więcej

$45 USD w ciągu 7 dni
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I'm kinda new on this just started working as a freelancer and I have got java skills as i already took this java course last semester and my Knowledge of java is great. I would love to do projects relating to java Lan Więcej

$40 USD w ciągu 3 dni
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It will be like calculator and only way to enter is via buttons. There will be separate error label where it explains the error in case postfix has problem or has calc problems like division by 0. It is almost ready

$30 USD w ciągu 1 dnia
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Hi, I have read the requirement and I think I can create this application within 2 days. I am good in Data Structure and I love to solve coding problems. I am new here, and this could be my first project if you give me Więcej

$20 USD w ciągu 2 dni
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hi my name is adel and i am a student . your post stood out to me , because i have already done the similar work i am sure i am the suitable person for your requirement . i will be serving you with all my hard work a Więcej

$18 USD w ciągu 3 dni
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JavaFX is a simple for me. You can see my old pet-projekt on JavaFX [login to view URL]

$28 USD w ciągu 3 dni
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