
Suljettu
Julkaistu
Maksettu toimituksen yhteydessä
I have a small Java Swing application where several JCheckBox components refuse to stay checked when clicked. No exceptions are thrown; they simply pop back to an unchecked state immediately. I need someone to dive into the relevant UI and event-handling code, identify why the state isn’t persisting, and deliver a clean fix that works across Windows, macOS, and Linux builds of the app. You’ll receive the current source (Maven project) plus a short video showing the behaviour. Please return: • corrected code or patch files • a brief explanation of the root cause • confirmation tests or steps I can run to prove the boxes now retain their state If you’re comfortable debugging Swing listeners, model binding, or custom renderers, this should be a quick turnaround task.
Projektin tunnus (ID): 40277046
44 ehdotukset
Etäprojekti
Aktiivinen 14 tuntia sitten
Aseta budjettisi ja aikataulu
Saa maksu työstäsi
Kuvaile ehdotustasi
Rekisteröinti ja töihin tarjoaminen on ilmaista
44 freelancerit tarjoavat keskimäärin €29 EUR tätä projektia

Hi there, ★★★ Java Expert ★★★ 7+ Years Experience ★★★ To fix the issue with JCheckBox components not staying checked, I will review the UI and event-handling code to find the root cause of the problem. Deliverables: - Corrected code or patch files to ensure JCheckBox state persists. - A brief explanation of the root cause of the issue. - Confirmation tests or steps to verify that the boxes retain their state across all platforms. What specific Java version are you using for the project? Regards, Burhan Ahmad
€210 EUR 3 päivässä
7,7
7,7

Hi, I specialize in Java backend and full-stack development and have debugged Swing state-persistence issues before — the most common culprits are a custom TableCellRenderer not propagating changes back to the model, an ItemListener/ActionListener inadvertently resetting state, or a fireTableCellUpdated() call that re-renders before the value commits. My approach: 1. Audit — trace the checkbox's ItemListener chain and verify whether setValueAt() is being called on the model 2. Fix — patch the renderer/listener or model binding, whichever is the root cause 3. Verify — provide a runnable test (JUnit or manual steps) that proves state persists on Windows, macOS, and Linux I'll return: corrected source/patch files, a short root-cause write-up, and reproduction steps you can run yourself. Timeline: delivered within 24 hours of receiving the source. Ready to start immediately — send over the Maven project. Best,
€14 EUR 1 päivässä
5,3
5,3

Hello, I’ve worked extensively with Java Swing, especially debugging stubborn JCheckBox issues tied to custom listeners, models, and renderers. Your description sounds like some shared state or event logic is immediately resetting the selection, and I’m comfortable tracing that across platforms so the behavior’s consistent on Windows, macOS, and Linux builds. Once I have your Maven project and video, I’ll reproduce the bug, inspect the relevant listeners/model bindings, then patch the offending code so checkbox state persists correctly. I’ll also outline the root cause, share the updated classes or diff, and list confirmation steps to verify everything. Thanks- Nitish Bhardwaj
€25 EUR 1 päivässä
5,4
5,4

As a Professional Full Stack Developer with a focus on Web and Mobile App Development, I have extensive experience in handling UI and JavaScript to ensure seamless user experiences. Utilizing frameworks like React.js, I have built numerous applications with complex UI interactions similar to your Java Swing application. Hence, I understand the significance of identifying issues on an interface level promptly to guarantee that users' selections are stored persistently and accurately. In addition, my proficiency in backend development including Node.js and Python will be pivotal to evaluate the underlying event handling and model binding logic that could be impacting the checkbox functionality. I am well-versed with debugging techniques such as running tests on different platforms (Windows, macOS, Linux) to ensure smooth operability everywhere. I believe this is crucial for your project as you require a fix that works uniformly across systems. Lastly, my commitment to quality work and methodical approach makes me the ideal candidate. I do not consider my job complete until it is thoroughly tested for bug-freeness and has gone through confirmation tests. My goal is to present you with a clean code or patch files along with a brief explanation of the root cause so that we not only fix the current bug but also prevent similar ones from occurring in the future. Let's connect to discuss your project requirements in detail and get started without any delay! Thanks, Jay
€19 EUR 7 päivässä
5,0
5,0

With over 9 years of experience in Mobile and Web Development, specifically Android and JavaScript, I am confident that I can quickly identify and fix the bug your Java Swing application is currently experiencing with its JCheckBox components. My experience in debugging and thorough understanding of listeners, model binding, and custom renderers will enable me to dive into the relevant UI and event-handling code to promptly identify the root cause of this issue. Once the issue is resolved, you will receive not just corrected code or patch files, but also a detailed explanation of the root cause and specific tests or steps that you can run to verify the fix on Windows, macOS, and Linux builds of your application. In addition to my technical skills, my team also offers extra benefits including effective cost management for projects, cross-browser compatibility and free after-delivery support for an extended period of 3 months. Moreover, I can guarantee high-quality work and prompt delivery which will ultimately turn your IDEAS TO REALITY. Thank you for considering my proposition - I look forward to tackling this bug head-on and helping get your project back on track!
€190 EUR 7 päivässä
5,3
5,3

Hi, I can identify why your JCheckBox components aren’t retaining their state and implement a reliable fix across Windows, macOS, and Linux. I will review the event listeners, model bindings, and any custom renderers causing the reset and provide corrected code or patch files. Along with the fix, I’ll supply a brief explanation of the root cause and clear steps to verify that the checkboxes now behave correctly. Let’s discuss how I can help. Best Regards,
€19 EUR 1 päivässä
4,8
4,8

Coming from a wealth of experience in web development, I am well-versed in JavaScript, the core language behind Swing. Throughout my career, I've handled various debugging tasks and so I'm extremely comfortable with Swing listeners, model binding, and custom renderers which are key to resolving the checkbox issue you're facing. My command over Maven will make it a breeze for me to deliver clean code/patch files - something which I can guarantee or offer a full refund. Understanding the significance of consistent behaviour across different platforms, let me assure you that I won't just resolve the problem on one system but also ensure that the fix functions impeccably on Windows, macOS, and Linux systems alike. I have been recognized by clients as someone who goes beyond fixing immediate problems; rather, I apply an analytical approach to identify root causes and deliver sustainable solutions. This reflects in my commitment to offer an explanation of why this bug is happening and steps for confirmation tests. With my skills, experience and agile approach, I believe we can swiftly tackle this issue together while ensuring quality and satisfaction as ultimate outcomes.'
€30 EUR 2 päivässä
4,9
4,9

I've dealt with this exact Swing checkbox issue multiple times—it's almost always caused by a custom cell renderer or model listener that inadvertently resets the selection state during the repaint cycle, or an ItemListener/ActionListener that programmatically calls `setSelected(false)` as a side effect. My approach is straightforward: I'll clone your Maven project, reproduce the bug on all three platforms, then trace the event-dispatch chain using breakpoints on `ItemEvent` and `ChangeEvent` firings to pinpoint exactly where the state gets overwritten. Once identified, I'll deliver a clean patch with the fix, a root-cause writeup, and a JUnit test that programmatically toggles each checkbox and asserts the selected state persists. I can start immediately.
€8 EUR 1 päivässä
4,7
4,7

As a seasoned Web Engineer with an extensive background in both front-end and back-end web development, I would love to bring my talents to your Java troubleshooting venture. Although the project entails debugging Swing listeners, model binding, or custom renderers, I'm comfortable in these Java environments and believe I can add value by providing you with corrected code that addresses the issue efficiently. With more than a decade of experience under my belt, I am well-versed in tackling various technical difficulties and fixing bugs within software systems. This includes identifying root causes and ensuring resolution translates into smooth, reliable application performance. Furthermore, my expertise extends to delivering high-performing products on multiple platforms -- a critical requirement for your project working across Windows, macOS and Linux. In addition to rectifying the issue at hand, my pitch also emphasizes the value I place on quality, stability, and clear communication. It's this trifecta that positions me uniquely for your project: a combination of my technical competence in dealing with Java applications such as this alongside my ability to provide long-term support for website maintenance. Partnering with me ensures not only getting a satisfactory solution for the current bug but also establishing a trusted partnership for the future maintenance of your platforms.
€8 EUR 1 päivässä
4,2
4,2

As an experienced Full-Stack Developer, I have had the privilege to work on numerous intricate projects involving various programming languages and platforms. My deep understanding of Java and familiarity with the Java Swing framework makes me the perfect candidate to tackle your checkbox selection bug. Experience solving similar issues in past projects ensures that I can promptly identify the root cause and implement a clean fix across all platforms. I am also well-versed in UI/UX design, which comes in handy for debugging tasks like this. With my skill set that encompasses JavaScript, Ajax, HTML/CSS and XML among others, I possess a formidable toolkit to navigate any issues related to Swing listeners, model binding or custom renderers. In addition to my technical abilities, I pride myself on excellent communication and collaboration skills. This means that throughout our working partnership, I will make sure you remain informed of my progress every step of the way. My commitment towards developing clean, maintainable code aligns with your specific needs for the project at hand. Choose me for a hassle-free experience and a robust solution.
€30 EUR 7 päivässä
4,2
4,2

Hi, I have strong experience working with Java Swing desktop applications, including debugging UI behavior, event listeners, and component state issues. The problem you described (JCheckBox reverting to unchecked) is often related to event listeners, model binding, or UI refresh logic, and I can quickly trace and resolve the root cause. ✅ Relevant Expertise ✅ Java Swing UI debugging ✅ Event listeners & component state management ✅ MVC / model binding issues ✅ Maven-based Java projects ✅ Cross-platform testing (Windows, macOS, Linux) ? What I’ll Do • Analyze the UI and event-handling code causing the checkbox reset • Identify the root cause (listener override, model reset, renderer issue, etc.) • Implement a clean fix ensuring state persistence • Verify behavior across supported platforms ✔ Deliverables ✔ Corrected code / patch files ✔ Brief explanation of the root cause ✔ Simple verification steps to confirm the fix This should be a quick task, and I’m ready to review the source and video to resolve it shortly. Best regards, Abhay
€25 EUR 1 päivässä
3,7
3,7

I understand the issue is not UI rendering but state being overridden by listener logic or model binding. I can review your Maven project, trace the JCheckBox event flow, and identify whether the reset comes from ItemListener, ActionListener, or a custom model update. I’ll deliver a clean fix that preserves state correctly across Windows, macOS, and Linux. You’ll receive the corrected patch, root cause explanation, and clear test steps to verify the behaviour. Ready to review the source and resolve this quickly.
€15 EUR 2 päivässä
3,7
3,7

Hi there, I have reviewed your requirements for the **Swing Checkbox Selection Bug** and am ready to resolve the state persistence issue in your Java application. * **I will audit your `ItemListener` and `ActionListener` logic** to identify any "event feedback loops" where the code programmatically resets the checkbox state immediately after a user click. * **I will inspect the data model binding**, ensuring that your backing objects are correctly updating and not forcing the UI to revert to a stale "false" value. * **I will verify Thread Safety (EDT)** to ensure all UI updates are happening on the Event Dispatch Thread, preventing race conditions that cause UI components to behave erratically. * **I will examine JTable/JList integration**, if applicable, to confirm that `TableCellEditor` or custom renderers are properly committing changes to the underlying model. * **I will deliver a clean patch** with corrected source code and a technical summary of the root cause, ensuring the fix is stable across Windows, macOS, and Linux. * **I will provide validation steps** to prove the checkboxes now retain their state across multiple interactions. I have extensive experience debugging legacy and modern Swing applications, often resolving similar issues caused by conflicting property change listeners or incorrect model-view-controller (MVC) synchronization. Best regards, Fiza Shabbir Java Developer & Swing Specialist
€8 EUR 1 päivässä
3,1
3,1

Hi let me do your Java Swing JCheckBox bug fixing project. I recently completed a project exactly like this where UI components were not preserving their state due to event-handling conflicts. I will review your Swing UI code, listeners, and model bindings to identify why the JCheckBox state resets after clicking. Then I’ll implement a clean and stable fix that works consistently across Windows, macOS, and Linux builds. Please come to chat to discuss in details. Many thanks, Centaurus Technology
€19 EUR 7 päivässä
3,3
3,3

I have worked on several swing based projects. I am available to work on checkbox selection issue. We can connect.
€8 EUR 1 päivässä
3,0
3,0

Hello, I understand how frustrating it can be to see JCheckBox states revert instantly, especially when timelines matter. With 7+ years of experience in Java, Swing debugging, UI event handling, and cross‑platform UI behavior, I can quickly pinpoint issues in listeners, model binding, or custom renderers. My deep background in UI debugging and JavaFX/Android UI logic makes me the right fit for this project. I am immediately available and can prioritize urgent needs. The approach: • Review event listeners, ItemListeners, and ActionListeners interfering with state changes • Inspect custom renderers or UI delegates resetting model values • Trace model binding or background thread updates overriding selection • Apply a clean, cross‑platform fix and provide patch files + test steps Based on scope, I estimate completion within 1 day with rapid turnaround. This keeps your timeline safe and ensures stable behavior across Windows, macOS, and Linux. Best regards,
€8 EUR 19 päivässä
2,4
2,4

Hi, I’ve watched your video and reviewed the symptom: JCheckBox state flips back immediately with no exceptions. I will inspect the Maven project’s UI code, focusing on mouse/ActionListeners, ItemListeners, model binding and any custom renderers that may be resetting state. I have practical Java experience debugging Swing event ordering and model/view bugs and will provide a small, targeted patch that restores persistent check state across Windows, macOS and Linux. Deliverables: patched files or a diff, a short root-cause explanation, and simple confirmation steps you can run. I can start as soon as I get the repo and video link; I’ll prioritize a minimal, well-tested fix and include unit/manual test steps. Can you confirm whether the checkboxes use a custom ButtonModel or renderer, and whether any global listeners (like a parent mouse or focus listener) are attached that could call setSelected(false)? Best regards, Daniel
€25 EUR 1 päivässä
2,4
2,4

Hi there! Have you noticed if the JCheckBoxes are using any custom models or listeners that might be resetting their state on click? Regardless, this is definitely something that I feel confident delivering on, given my past experience. I would love to discuss your project further! Looking forward hearing from you. Kind Regards, Corné
€9 EUR 14 päivässä
2,4
2,4

Hello, I am professional Software developer. I have years of experience in software development and I have good knowledge of the Java programming language and Java Swing. I like it to debug programs and find smooth working solutions. I would like to work on this task with you. Hire me for your job to be done well. Greetings
€25 EUR 3 päivässä
2,5
2,5

Hi, I’ve watched your video description and I’m confident I can find why the JCheckBoxes revert when clicked. I’ve spent years debugging UI bugs and building robust backends (including ASP.NET Core/C# APIs) so I approach problems with disciplined architecture and reproducible tests. For this Swing task I’ll inspect listeners, model binding, and any custom renderers or focus policies that could force state resets, reproduce the issue locally from your Maven project, and deliver a minimal, well-documented patch that keeps state across Windows, macOS, and Linux. Deliverables will be corrected code/patch files, a concise root-cause explanation, and simple confirmation steps you can run. I’ll keep changes small and explain why the fix is safe. What’s the best way to share the repository and the short video (Git URL, archive, or attach) so I can start reproducing the bug? Do any of the checkboxes use custom cell renderers or are they bound to a shared model object that might be reset by a background thread? Thanks, Cindy Viorina
€8 EUR 10 päivässä
2,1
2,1

ALGHERO, Italy
Maksutapa vahvistettu
Liittynyt lokak. 25, 2022
€2-6 EUR/ tunnissa
€12-18 EUR/ tunnissa
€8-30 EUR
€2-6 EUR/ tunnissa
€8-30 EUR
$2-8 USD/ tunnissa
₹1500-12500 INR
$250-750 USD
$750-1500 USD
₹12500-37500 INR
₹75000-150000 INR
$25-50 USD/ tunnissa
₹75000-150000 INR
$30-250 USD
$15-25 USD/ tunnissa
₹1500-12500 INR
₹600-1500 INR
$8-15 USD/ tunnissa
min ₹2500 INR/ tunnissa
₹1500-12500 INR
₹75000-150000 INR
₹750-1250 INR/ tunnissa
$10-30 USD
₹12500-37500 INR
$10-30 USD