Questions tagged [java]

Software requests for Java development tools and libraries for the Java programming language.

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1answer
1k 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 ...
2
votes
1answer
17 views

Low delay and low throughput communication between Java and Python

I am creating a game where the engine and graphics are running on Java, and one of the players which is AI controlled, in Python. I need to setup some communication method between these two, with the ...
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3answers
778 views

Library for converting PDF/DOC(X)/XLS to EPUB in Android

I am designing a new app which is used to convert PDF, DOC, DOCX and XLS format into the EPUB format. Is there any library I could use for this?
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1answer
735 views

Document Viewer for .doc, docx, .xlx, .xlsx and .ppt files

I need a document viewer for .doc, .docx, .ppt, .xlx, and .xlsx file formats, that allow me to view above files in browser. I took 4-5 days googling to find a free or less costly solution providing me ...
0
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1answer
671 views

Css for Javafx application in IntelliJ for free

I have designed a JavaFX project in IntelliJ but now I have encountered a problem. The software that I am making is totally free and I wish to distribute it as a learning experience. Because of this I ...
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1answer
528 views

Eclipse plugin to generate unit cases automatically for Java code

Is there any tool or Eclipse plugin to generate unit test cases automatically for a particular Java class?
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2answers
82 views

Java Library to convert pptx to image

Use Case: I want to convert PPTX file slides into images and post it into my website I am searching for a library to convert PPTX slides into Images(jpg, png). Suggest me a good java library. I have ...
1
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1answer
248 views

Appointment Management Library for Java

I need to implement an appointment management system for one module of my project. While it is a hard task to implement from scratch, I wonder if there is any open source library which I can add my ...
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0answers
5 views

Is there a Java library to implement fuzzy expert systems?

I am programming a Java application using Spring MVC that includes a recommendation module based on an expert system. I would like to know if there is a Java library that allows building expert ...
4
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1answer
1k views

Java library for parsing Javadoc comments

I would like to be able to programmatically convert Javadoc comments (such as those in the generated code of LWJGL) to other formats (such as Markdown). This would allow me to do things like ...
10
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1answer
1k views

Java calendar library with support for recurring events / exceptions, etc

I am looking for a calendar module/library that I could use in my simulation. My idea is to fill such calendar with events, single shot and recurring. This calendar should be able to give me next ...
3
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1answer
51 views

Staging Artifacts in Java

Java Artifacts are often staged through different statuses until they are eventually released, so having alpha-status, beta-status, release-candidate-status, and, finally, release status (as an ...
0
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1answer
50 views

Best software / tool to downgrades Git branches?

Good evening, Please excuse me if this is not the correct place to ask this question. I will gladly post it elsewhere would you take the time to show me where. I am starting a new pet project where ...
8
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6answers
13k views

A simple Java database library?

I'm looking for a library to manage a "database" in my Java application. I want something simple, and easy to use. Specifically, I'm looking for something which: Is easy to start using. I'd like to ...
2
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1answer
39 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 ...
1
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0answers
7 views

Java math library with entropy calculation function

I am looking for an open source Java math/linear algebra library with a function to calculate entropy of 2D arrays. The algorithm should be able to calculate entropy of continuous values. Nice to ...
1
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0answers
13 views

right tool for retrieving user-agent properties for statistical purposes

There's a Java / JavaScript web app and I had to store in a database a few user agent properties for each login (successful authentication). Example properties are: device is mobile or not os, ...
0
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0answers
17 views

Eye tracking software solution

I'd like to ask if anyone knows a software solution in android tablets for eye or gaze tracking. Specifically the solution I'm looking for : Has to be integrated in Unity either natively (C#) or as a ...
1
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1answer
57 views

Are there libraries to detect Linux distribution information in Java?

I've been looking for some solution to find the name and version of the Linux distribution where I am running my Java code, eg. Ubuntu 18.04, CentOS 6, etc. I am aware of files as /etc/os-release, or ...
2
votes
1answer
392 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 ...
1
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0answers
7 views

packages useful for backwards induction

I was just wandering if anyone knew of any packages for backwards induction/ sequential decision making analysis to find sub-game perfect equilibria. I need the package to be able to handle 4/5 ...
0
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1answer
14 views

Java library providing make-like functionality

I'm searching a library, which provides same, or similar, functionality as make: definition of rules: input file(s) - names / wildcard / regex pattern, output file(s) - names / wildcard / regex ...
0
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0answers
9 views

Alternative for JavaFx WebEngine

I'm trying to build a cross-platform desktop app using JavaFX, that has to display some web pages internally, the default WebView in JavaFX doesn't seem to satisfy my needs, I tried loading a google ...
1
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1answer
12 views

Credit Card encryption techniques available and recommended libraries in java

Looking for some great Java libraries to encrypt the credit card information. Also the available encryption techniques available.
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1answer
39 views

Recommendations for a million http requests

I have more than one million http requests to do, and I want to use a high performance programing language to do it. I coded it using PHP, but the result was too bad. I should make cUrl requests with ...
2
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1answer
364 views

GUI based Forms creation and data management

I am looking for an open source project or solution (preferably Java based) which basically allows me to create forms & persist the data into a back end data store (SQL, NO-SQL doesn't matter but ...
0
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0answers
13 views

Are there any libraries like Selenium for simulating web browsers in Java?

So let's say, I'm trying to create a program that auto-fills websites, and sends a request, however, the site has made excessive use of encryption, and I can't find the post request anywhere. This is ...
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0answers
18 views

Geo-location Mobile Development [closed]

I am new to programming and would like some advice on the best approach for tracking user location for IOS and Android. My use case involves locational data of a user in relation to another user. ...
8
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1answer
776 views

Javascript library for flowcharting

I have a requirement for modelling flowchart like (workflows) diagrams in the Web application. Request suggestions for an open-source javascript library for the same. Features I am looking include ...
1
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0answers
16 views

Java's process builder vs Node.js' child process for running shell script [closed]

I have some shell scripts in a remote linux machine. I want to execute those scripts on pressing html buttons. I have already written the HTML and completed the back-end using java servlet. All I ...
0
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0answers
5 views

Looking for lightweight library which caters functionality of distributed logging with persistence primarily in publisher / subscriber fashion

I am looking into IOT World Solution where we have MQTT Broker. This MQTT Broker Sits in one of the Data Center. Reduced operational cost is our primary lookout. We are doing lot of Alert and Alarm ...
1
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1answer
17 views

Needing new automation framework

I wrote a script for logging into a website and downloading customer data in the form of a csv using selenium package for python. Unfortunately the website just recently added a captcha to the login. ...
0
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1answer
26 views

Tool to generate javadoc in PDF format

We can generate javadoc using javadoc tool. However i am looking for a wizard or tool to generate javadoc in different formats - HTML, PDF. I come across Aurigo but it was out-dated. Last update on ...
0
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0answers
15 views

Statistical Profiling for Kotlin (Cloud Native)

We run kotlin code in kubernetes and we already use Jaeger for tracing. We would like to use statistical profiling to find bottle necks. Required features: support kotlin statistical profiling with ...
0
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2answers
2k views

Android camera library for taking multiple photos

I would like my Android app to give the user the ability to capture multiple photos at once. Currently, from what I can tell, Android does not support this behavior natively, and an ...
0
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2answers
29 views

Local in-memory off heap JVM key-value store

I am looking for a JVM library implementing ConcurrentHashMap to store large map in local memory. Expected to have 20,000,000 items in this map with overall size of 2-3 Gb. No need to distribute data ...
0
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0answers
9 views

Java library for non latin input method

I need to make a Java based input method tool for linux platforms. It must work with any complex non latin writing systems (e.g. Chinese, Bengali). Any library to do this? I found this, https://docs....
0
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0answers
7 views

Java tool to represent 3D virtual map

I would like to create 3D virtual map on Java programming language (JSF). First of all, I have the range of WGS-84 coordinates which represent 2D-shape of some building. Secondly, I have cadastral ...
0
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0answers
37 views

Java port of C# regular expression parser

I'm in charge of imitating behavior of C# regex parser using Java. I'm aware that regex syntax is mostly the same in C# and Java. But there are some subtle issues that may greatly affect the result (...
1
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0answers
9 views

Operation Automation Tool Recommendation

Complex huge monolithic code which hundreds of applications use and each one has different cluster which also use a lot of side-services like Solr, Redis, Cassandra ... etc and all of them are on-prem ...
0
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0answers
57 views

HTML to PDF conversion in Java

I am trying to convert an string containing HTML into a PDF file using both xmlworker and htmlworker. Things are ok with htmlworker and I am able to generate the PDF but there are some issues ...
0
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0answers
11 views

Embedded key/value store for JVM

Looking for suggestions on a key/value store with the following characteristics: Embedded. My environment is Scala, so that or Java is fine. I'm hesitant to consider MapDB, as it brings a dependency ...
0
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0answers
70 views

Java library to insert invisible text into a PDF

I want to insert invisible text into an existing PDF file, to make it searchable. For instance, if the user searches for "hello", the PDF reader should send the user to the page where I embedded that ...
0
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0answers
7 views

Parse Java Source Files with Python

I'm looking for packages, written in python, that parse Java source code. My goal is to convert Java source files into abstract syntax trees and I don't want to design my own AST. I am aware of an ...
6
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5answers
29k views

Free for commercial use Java library to convert HTML to PDF

I am trying to find a Java library that can convert from a HTML to a PDF using the CSS printing styles. I need that this library be free for commercial use. Not like itext that you need to pay or ...
2
votes
1answer
189 views

Java 11 release that I can use for both development and deployment without cost

I need a current release of Java to use for development of my app as well as deployment. I prefer a release that is free-of-cost. I have no special needs. I will deploy on common hardware with a ...
0
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0answers
22 views

Searching for OCR that works well with non Latin characters(mainly Hebrew and Arabic)

Is there any good Hebrew OCR API/library (preferably free but not necessary) the text is printed so no need for hand-writing An Example for an image I want to parse The Program language is non-...
1
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1answer
47 views

Free tools to assist code reading

I'm reading a book which mentions that there are some tools which can assist code reading and understanding complex systems, and most developers are not aware of them, but the book does not name any ...
1
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0answers
11 views

Java: What is the best free library to plot polynomial graph?

I want to build a program to plot 2D polynomial graphs in Java to plot graph such as y=x^2. Any suggestions for a free library? Is there any free library which can do this? Thank you.
4
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2answers
2k views

Java OCR library

I'm looking for some open optical character recognition (OCR) raw libraries that I can use to create a Java application that compares them. Anywhere I search I find just applications to OCR.

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