Questions tagged [java]

libraries for Java and Java development tools

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Library to replicate AS/400 menus in Java

I'm looking for a way to make a program with the style of AS/400 menus. I've looked at text-based UI libraries (lanterna) but they don't seem to be able to do what I'm looking for. Ideally, I would ...
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Web framework visualizing decision rules (interactive graph)

I need web framework for creating visualization of decision rules. This is project for my master thesis (only 4 months remains). My vision is: Visitor uploads file with decision rules. Next he can ...
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An Open Source or paid tool to generate mock data for unit testing, performance testing and mocking production data

I am looking for a data generation tool that can generate large amounts of data with following requirements. Ability to configure type of data that needs to be generated -- Data has lot of ...
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Looking for a 2D Bin Packing library in Java

I am looking for a general purpose 2D bin packing library in Java. One that is well maintained and/or has sufficient usage is available via Maven (optional) has a Apache2 or similar license is ...
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Development Environment for Java Expression Language (JEXL)

I am looking for a good way to develop JEXL code and cannot find any examples online. Preferably this would be through the use of an IDE, though a text editor such as atom with syntax highlighting for ...
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Java 6 Application Monitoring Recommendations that offer features similar to Prometheus

NOTE: I am the newest and most junior developer that I know just to give you an idea of my skill level before you read my question. The company I work for is a victim of its own success. In 10 ...
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New to AI, generating “feedback data” from given user prestations?

First I will clarify the context, I have to learn new technologies for my bachelor thesis. I am making a mobile application similar to Flappy Bird, except it's voice controlled. The idea is to have ...
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27 views

Web page integrated code editor

I'm writing a tool for screening interview candidates at my company. The idea is to send them a URL to a website where they'll receive a set of programming problems. Candidates have to solve the ...
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What IDE to use with Java EE 8

I am trying to start using Java EE and I am using the Java EE 8 first cup tutorial (at https://javaee.github.io/tutorial/usingexamples001.html). It says to download netbeans 8.2 or later, but ...
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Tool for validating SQL Queries against different standards and Databases

I am looking for a tool (offline tool, java library, binary or such) (no online tools) which is able to validate SQL Queries against the different SQL Standard Versions or against the features of ...
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Library/API to read dot code in Android Java and Xamarin

I'm looking for a way to read 'dot code' barcodes from tobacco packages. Do you know any free or cheap library/API to read those codes for Android (Java or Xamarin). I was looking for this kind of ...
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Recommended library for text extraction from news articles?

I was tasked to make an RSS news aggregator for my GUIs University course. I'm already familiar with StAX and already managed to succesfully parse RSS feeds. What I want to do now is extract the ...
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Tool for quick java code coverage check for Live deployment based on UI interaction

My context is I have an application (consider it as a black box for now) deployed on a JBoss server. I am in the process of analyzing and studying the application and has a very limited time frame to ...
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7 views

Reproduce network architectures with Java from a trained keras .h5 model

I’m trying to open an already trained model from Keras (python) with Java and use it to analyze new images. My model is saved in HDF5 format which contains the architecture of the network as a .json ...
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How can I measure the performance of my SQL queries?

I am working on a data visualization software. The software generates queries based on the requested visualizations. I want to optimize the queries generated, which means that for a given ...
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10 views

Software to send push notifications at scheduled times

I'm currently looking for recommendations on how to implement a way of sending push notifications to users and their selected times using some sort of server or framework or SDK (Examples would be ...
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1answer
18 views

utility dialog to edit JavaDoc tags and multiline-comments

I'm looking for a utility (either stand-alone tool or IDE plugin) that uses a dialog to do something like the mockup I created ... Essentially what I want most is a tool that will allow me to fill-in-...
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11 views

Lemmatization/stemming libraries for Java?

I'm currently creating a search engine in Java. I use Apache Lucene's analyzers. I would like to stem my documents but I can't choose a library because I don't know what the best is. I've read about ...
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1answer
38 views

What Java library to use for iOS APN notifications?

I need to create backend in Spring Boot for push notifications for iOS, but I only came across 3 libraries: java-apns, javapns and pushy. The first two haven't been worked on for several years, and ...
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Java API to convert DOCx files into 508-complaint PDF

Our organization is looking for a java library which helps to convert the docx document to 508 complaint pdf. 508 compliance is guidelines for the pdf document, so that people with disabilities can ...
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64 views

Log4J Web Based Log Viewer

My Java application is logging to a file and I currently read it with a desktop application that splits it out into columns something like below: | Timestamp | Level | Category ...
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1answer
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Re-Starting Coding - Need a platform recommendation

I am a semi-retired real-time developer (1979 - 2012) conversant with old languages such as C/C++. I am re-entering the market to develop an application dealing with the display of simple graphic ...
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51 views

Java library to separate a multi-page TIFF file into several PNG or JPG files

I want to find to separate multi tiff files to png or jpg in Java. I tried JAI, but it has a lot of bug something, especially with jpeg-2000. so I want to find another third-party library.
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Code converter pascal to java or c++ or c

I have a code written in Pascal but because I am not familiar with this language I am searching to find same converter to change it in java or c++ or c. Does anyone have same idea in order to make it ...
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Personal blog hosting, based on Java Servlet technology

I would like to run my own blog site on my own server, to be hosted on Java Servlet technology. I can run on either Apache Tomcat (a web container) or Payara (full Jakarta EE) servers. I need to host ...
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Is there a 2D game engine for an RPG game where I can program in Java?

I'm very new to java and for my high school course assignment I need to make an RPG game with a story. The game has to have sound effects, combat system, generally like how Undertale is. The biggest ...
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Java library supporting SQLite virtual tables

SQLite has feature named "Virtual Tables", which "allows an application to publish interfaces that are accessible from SQL statements as if they were tables". https://www.sqlite.org/vtab.html For ...
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Java zip library making use of Java 8 features (lambdas, streams)

I know there are zip libraries like zeroturnarounds library, commons compress or truezip. And there are discussions like this on stack overflow. I would like to use a royalty fee free software ...
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1answer
18 views

Java PNG creation library usable both stand-alone and on Android?

I'm looking for a Java library that can output PNG files. In my image-creation routine, I know the image size and the color of each pixel. I want my image-creation routine to be usable in two ways: ...
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10 views

Lib or tool to record and replay http invocations during tests

Can anyone advice me on a strategy/lib/tool to quickly create functional tests for a server that exposes an HTTP api against a thick client (think desktop app)? My idea is to record http invocations ...
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44 views

I am searching a JavaHelp still supported alternative

I developed a Java Swing application, and used JavaHelp to generate the help for this one. But JavaHelp is too old and not supported now, I didn't find any alternative (I saw OracleHelp for Java but ...
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21 views

Library for numerical double integration in Java

Does there exist a Java library for evaluation of double integrals numerically using e.g. the multivariate Simpson's Rule? See Horwitz 2001, Journal of Computational and Applied Mathematics 134 1–11. ...
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20 views

Free Text-to-Speech library with viseme event for Java desktop application

I'm looking for free Text-to-Speech library, which sounds naturally and supports viseme event. To use it for Java desktop application I found http://mary.dfki.de/ but it does not supports viseme ...
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103 views

Java Spring based open source CRM

I am looking for well designed open source Java/Spring framework based CRM. The CRM should not be just a toy project on GitHub but even that I could not find. It should support around a dozen ...
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30 views

C/C++/C#/Java compilation library for Android

I want to develop compiler application in android but i am little bit confuse where to start. I have searched on google but i have not found any good example about compiler app. I want to create an ...
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23 views

Java library for error-correction

I am looking for a simple error-correction library in Java. It needs to be able to correct some errors in variable-length messages. However, the error-correcting codes together with the message must ...
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265 views

Java client for time server, such as Network Time Protocol (NTP)

Looking for a time-server client library for Java. I suppose means only Network Time Protocol (NTP). My goal is simply to fetch the current date-time from a time server. I will compare to verify the ...
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43 views

Is there a Java/ImageIO JBIG2 image writer?

I need to write images in the JBIG2 image format using Java/ImageIO. I found the levigo/jbig2-imageio library providing a JBIG2 reader allowing to read JBIG2 images using ImageIO, but I was unable to ...
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1answer
30 views

Free performance monitoring tools for local development for Java based web-applications

For Java based web-applications: If a developer wants to instantly get performance related feedback during local development, would anyone please recommend any free APM (application performance ...
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68 views

Extract XML file from a PDF/A

Do some java APIs exist that allow me to extract an XML file from a PDF/A in a Java? Citing Wikipedia: PDF/A-3 allows embedding of any file format such as XML, CAD and others into PDF/A documents.
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9 views

Programmatic soundtrack composing

I am looking for a library, preferably written in C/C++, but Java is also fine, where I can programmatically compose a sound track from many different sound files loaded in runtime with ability to ...
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21 views

CPU profiling tools for Java?

I'd like to benchmark different libraries to see which one suits my needs best. This useful program should be able to tell me how much processing power I use to run a particular thread (This is what ...
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110 views

Java High Level Game Library Recommendation - Maintained Alternatives to Slick2D?

I am developing games in Java. I prefer extendable and high-level game frameworks–but nonetheless, I have tried many low-level bindings too. So these are the ones I have used/researched about. Some ...
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32 views

Need Dynamic S Box Library in Java

I need a Java source code library that can dynamically generate the SBox (substitution box) for AES based on the AES256 key provided.
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204 views

Is there any way to make an HTTP/2 request with Java 8, without installing ALPN?

we're using Java 8, and we need to make HTTP/2 requests. This software is distributed to clients to run on desktop machines, and modifying the boot classpath to include ALPN is not an option. Is ...
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48 views

Open source tool to do OCR

I would like to parse the text content (OCR) from these image file types and index them and make them available for my lucene search engine for search. .ai .bmp .gif .jpeg .jpg .png .psd .ttf Can ...
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243 views

JavaFX Markdown Renderer

Are there any libraries that will render markdown (ideally by the CommonMark specification) in JavaFX? The library should allow me to embed a pane with JavaFX pane inside a stage and pass it markdown ...
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15 views

InputStream that spools to disk asynchronously

I am wondering if anyone knows of a Java library that can take an input stream and spool it to disk, while allowing it to be read. I am dealing with an issue where I need to stream very large files, ...
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Replacement for jxDBCon?

jxDBCon is JDBC driver framework which implements generic parts of a JDBC driver. However it is unmaintained and implements only things in older, not current, JDBC. Are there any other libraries that ...
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AR development Library in Android

I'm new to AR (I have experience in VR though), and want to do some simple AR development (detect traffic signs printed on papers). Are there any simple-to-use library or SDK for AR development? I'm ...