Questions tagged [java]
Software regarding Java development tools and libraries for the Java programming language.
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Java compare CSVs in Junit tests - if failure, give specific line(s) of failure
I've got some Junit tests that compare large blocks of JSON using a framework called JsonUnit.
When there is a failure in the test, it's typically just a few lines in a 1000+ line JSON. The JsonUnit ...
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Alternatives to using Apps Script because of the 30 mins max run time
Hi I'm doing a task which takes around 10 hours.
Task: Call an API 100,000 times for 100,000 inputs and store results in a google spreadsheet.
Since apps script has a time limit of 30 mins, I have to ...
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What are the best resources to consult to assist in the selection of a technologies for UI and backend development? [closed]
We are in the process of developing an online permitting application that collects data and allows the client to make payment(s). I have been tasked with determining what the best options/versions ...
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Open-Source Java XML-RPC client
I am looking for an open source XML-RPC client for my application to use to talk to XML-RPC servers.
The application currently uses Apache XML-RPC 3.1.3, however this has several CVEs recorded against ...
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I need a java library that simplifies math equations
let's say, for example, I give this equation as an input:
4x + x - 20 + 10
And I want to get 5x - 10 as a result
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What language+libraries could I use to parse a CSV/Google Sheets file and then send text messages using some of the parsed info?
The goal is to send the same message to many people (volunteering reminders) but in an automated fashion. The only difference between messages would be the name at the beginning and the target phone ...
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Parser for MIB files in Java
I'm working on an SNMP Manager in Java.
I have multiple MIB files that I want to parse as objects, so I can use their data within my code.
In order to do that, I need a good MIB file parser that can ...
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Need a bot that should be able to create, write read files and make and execute calls over the network
I need a tool/language/course/series which will help me develop a chat bot which will be able to perform various tasks such as read write create files. The bot should be able to make various rest ...
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Tool to determine if all Java bytecode dependencies are properly met
Is there any tool that, given a set of jars (and/or class files, possibly plus java source), reports when any Java bytecode dependencies fail (e.g., missing types, methods, constructors, and/or fields)...
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OCR solution for scanning scanned documents
We want to scan scanned documents (PDF/Images), and extract the meaningful information as key value pair or any format. like When a suppliers sends us invoice as scanned pdf, our solution should ...
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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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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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Library for handling paging, error recovery etc. when working with web/remote APIs
When working with remote or web APIs (e.g. REST APIs), there can be multiple challenges like:
Throttling and error recovery:
If sending too many automatic requests, you may either exceed your granted ...
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Is there a spreadsheet API facade for Java?
There are multiple Java libraries for different kinds of spreadsheets, e.g. Apache POI for Microsoft Excel files, jOpenDocument for ODS (OpenDocument Spreadsheets) files and Google Sheets API for ...
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Java open-source for workflow management
I'm planning to develop an application and need a workflow engine as well for couple of process, approval, rejection, etc.
Please kindly recommend a good Java open-source workflow management tool or ...
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Java 3D Plot Library
I need a Java library for a 3D coordinate system in which I can do linear programming. Functions, planes, arrows and points should be drawn and colored. Points should be able to be labeled. There ...
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Framework for dynamically linking routes without stopping the core application
Now we are developing a system based on microservice architecture, which uses messages and Apache Kafka for inter-service interactions.
Messages will walk through core service according to configured ...
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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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Java RADIUS Client Libraries
I'm interested in what Java RADIUS client libraries are available and actively supported.
This question is similar to What (good) Java RADIUS server libraries are out there?; however, I'm interested ...
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Open-source Java/JVM back-of-the-book index generation library
I'm currently working on some automation software for the creation of non-fiction books (actual, printed books). As part of this, I need to be able to create a reasonable-quality "back of the ...
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What kind of generic plugin architecture is available, which can be supported by a library?
I am developing a library in Java where I want other Java codes to be able hook at various life-cycle.
The approach I am thinking of is define various Interfaces (for the the different hook points). ...
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What Java ORM can give me both dynamic SQL and control of the ResultSet at the same time?
Requirements for an ORM I'm looking for:
Dynamic SQL with:
1.1. SQL injection prevention
1.2. named parameters
1.3. capability to set where clause conditions conditionally
1.4. capability to ...
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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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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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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 ...
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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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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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Which simple data storage option for large amount of non-relational data
I am looking for a good solution to store and retrieve a large set (let's say a few hundred million or even up to a billion) of data items consisting mostly of strings (but a few numeric fields as ...
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Is there a library for solving nonlinear systems of equations like scipy for Java/Kotlin?
Is there a library like scipy.optimize, where there is an fsolve function for solving nonlinear systems of equations for Java or Kotlin?
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Android Virtual Microphone
I would like to know whether some tool exists to create a virtual microphone on Android.
For example, when I connect my headset, my phone uses the microphone on the headset. Instead, I want to be ...
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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 ...
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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 ...
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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 ...
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Software to serve webpages with Java
I recently learned how to use Java, and as a project I am interested in creating a simple backend for a webapp with java to be hosted on heroku. I am planning on the webpages being written in HTML, or ...
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svg 2 dxf conversion
I would like to know where I can find a reliable tool/library for conversion of svg to dxf. In between formats are also allowed as long as the dxf output is an exact replica of the svg. So that means ...
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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 ...
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Is there any open source pdf editor tools for pdf editing(should contatins all the editing tools like marker,eraser,text ..etc)using java spring boot?
I am trying to implement a pdf editing tool on my project using java spring boot.
It should be open source and it should contain markers, eraser etc.
It should display the pdf using urls. -then we ...
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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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Kotlin persistence abstraction
In preparation for a Kotlin desktop app (multiplatform JVM) I'm looking for local persistent data storage that is more abstract than an SQL database. In short, something like androidx.room without the ...
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K-means library for android
I'm looking for android library to cluster location points in groups. I want to do it locally on android without internet and group in a way where distance between mean and every point in cluster aren'...
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Numbers/Text/Picture recognition in an Image using Java
I'm working on a university project, I have to find an existing Java code that allows number recognition on a picture of a soccer t-shirt.
The title is more general because the problem can be seen as ...
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Java MANIFEST.MF long lines tolerant parser
Does anyone know of a MANIFEST.MF parser library which tolerates long lines over the 72 character limit? I would also need a serialization back to file.
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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 ...
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Measure FPS of an arbitrary window
I would like to measure the refresh rate of an arbitrary window. I am not sure, if there is a generic way to do this, but on the other hand, some FPS measuring tools exist:
XBox Game Bar, however, ...
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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 ...
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What are the mathematical api of today, for Java?
The level 0 of mathematics in Java are java.lang.Math + java.util.swing, but they are quite useless, unless you want any operation to take days being written.
apache.commons.math3 comes in handy to ...
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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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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 ...
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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 ...
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Report Tool With Designer - Java Web Application
I want to integrate reports in java web application. The reporting design should be done by the open source report designer by me or the customer on their end and use it in the application.
When i ...
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