Questions tagged [java]

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

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A Python alternative to Java Dropwizard?

In the Java world, there is Dropwizard, they follow an opiniated approach to give you an integrated toolbox just below being a "framework" to develop RESTful services. While opiniated, they ...
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Java Secure password generator with high entropy

What is the best Java password generator library that we can use to generate the good passwords that humans can use to login to an account. I have a scenario where I’m trying to reduce the password ...
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10 views

What would be a good Java library for implementing a graphical programming interface?

I would like to make a graphical programming interface somewhat like Blender's node interface, which looks like this: There's no need for automatic layout of the graph, the user's going to manually ...
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37 views

What is the state of generating Word documents in 2021? (Language agnostic)

Okay, so this is a pretty generic and vague question, so please let me elaborate. We have a large codebase which we are splitting up the past years to more individual self-contained libraries. One of ...
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What software can i use to analyze logs from log4j

I have a bunch of log files ubuntu@ip-172-31-39-132:~/queue/logs$ ls -la total 492296 drwxr-xr-x 2 root root 4096 Feb 4 16:29 . drwxrwxr-x 4 ubuntu ubuntu 4096 Jan 25 22:25 .. -rw-r--r-- ...
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Java Client for WebRTC or Janus Gateway

I'm here asking for some assistance of this community since my Google abilities aren't very top notch lately. I was looking for a Java Client for Janus Gateway WebRTC Server. I know that could be ...
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53 views

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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Jupyter or Apache Zeppelin for data visualization (with Apache Spark)?

I'm programming in Java, using Apache Spark too. I need some Data Visualization, now. Two open source tools are able to handle RDD, Dataframe, (and maybe) Dataset of objects that Apache Spark provides....
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Java library or tool for simple loading from a database

I work on a simulation program that reads data from a number of tables in a MySQL database. The database is read-only, and usually the queries are just SELECT * FROM .... Up to this point, the program ...
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Java SIP - Suggest me SDK or API working in 2020

Can you kindly suggest me which Java SIP CLIENT should I use to make a Softphone desktop application. I really need to know it. I have worked on peers java sip desktop, but can't add hold and transfer ...
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Minimalistic Java Code Formatter / Formatting Tool To ONLY fix certain aspects (eg whitespace in expressions)

Java code formatters that I'm aware of (eclipse JDT, intellij, astyle, prettier) are all quite aggressive and try to change all the code format aspects that they are technically capable of. However, I ...
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Analyse hardware documentation and output human readable report

I need to make custom hardware documentation available for laymen to read. I'm working with decades old hardware that comes with a custom documentation system. So eg. different systems will have ...
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Which microservice framework should I use for an IIoT project?

I'm involved in the development of a backend for an IIoT project. This implies a lot of streaming-like inter-service communication, less state-handling with e.g. Sagas (like e.g. in finance projects). ...
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Easy Java IDE with clean UI for learning purposes

I'm looking for a Java IDE for my PC so I can start to play around with the stuff I've been learning on an online course. Are there any IDEs that have a clean UI, without hundreds of buttons, and a ...
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15 views

Java Library To Do Fuzzy Address Matching

I need to implement some matching between 2 sets of addresses. e.g. Ave. == Avenue etc. There is a good example of the type of thing on this blog here: https://www.addy.co.nz/blog/12-tests-for-fuzzy-...
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Generating Line Drawing from PNG using PHP or Python

So Im trying to find a way to generate a continuous line drawing from a PNG image. Heres the result I want to achieve. So I'd like to know if there are any libraries out there that i can Use?
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Serializing gamestate to database JavaFX in Intellij IDEA

I'm in a programming competition where I need to create a virtual board game. One of the requirements is serializing the game state to a database to load when a user opens the application again. Are ...
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Looking for an open source JVM based high performance (thus compiled) expression language - not able to find

I own a product which validates data in massive volume and has a bespoke expression language to enable flexibility of configuration, and high performance. We are rearchitecting after a number of years ...
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library to display the line chart of the stock price

Right now i need to choose how display the line chart of the stock price. Does anyone have a recommendation on a good, reliable way I can achieve that? I've collected some possible options for graph ...
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15 views

Which Java E-COMMERCE platform should we use?

Me and my colleague would like to build a marketplace with online stores. We have background in Java development and a little bit of UI. We are considering the following options: Writing the code ...
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Drone land survey path planning

I am working on a drone mission planner app similar to Pix4dcapture and Drone Harmony. Is there any Java/C/CPP library that helps in computing the lawnmower path of the drone given the vertices of the ...
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Web Forum Application with Audio/Sounds

Sorry if is off-topic. Then recommend me where to put my question. Is there some application PHP/Java Forum with Audio/Sound support? NOTE: Pictures/Photos are a plus. I was support like chat not only ...
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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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Recommended Software Stack for a mature Production environment on Docker, the DevOps way

I want to assemble a checklist of key software components for an entire model Production Environment, for running and maintaining a web app on top of Docker in a DevOps way. Specifically, I need all ...
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Remote Database and Table creation using MySQL and accessing information using the JAVA

I don't know if this question has been answered before but I could not find any answer so I am posting. If found duplicate I am really sorry and guide me to the original post. I am trying to learn how ...
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Is there a Java library similar to Rust's tracing crate for dealing with Concurrent code?

I had been thinking a bit about how this could be done.. Some thoughts I had were AOP and JMX.. But are there any libraries that could do something similar to the Rust crate tracing Particularly ...
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Is there any open-source .net or java platform ERP in 2020?

I'm searching open-source ERP like Open Source ERP and CRM | Odoo Is there any open-source .net or java platform ERP in 2020?
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Java “test suite” for a new Collection implementation

I am currently writing a custom implementation of java.util.List and java.util.Map, which are "persistent" in a (relatively unknown) NoSQL DB. My worry is that those APIs are quite large, ...
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18 views

Similar Java Library like Jpedal

Please recommend some other libraries or solutions like jpedal library, I use it for printing pdf from java but Jpedal is not open source and they only allow for 14 days trial, being a student I ...
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Implementations of `CachedRowSet` for Java JDBC

In Java JDBC, the RowSet interface extends from ResultSet. The CachedRowSet interface extending RowSet provides for disconnected use, with data cached in memory, not needing a database connection to ...
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What libraries are there for visualizing graphs in java?

All the libraries I have found (JUNG, JGRAPHT, GraphStream) are using swing when I use libGDX. Or can they be used for libGDX as well?
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Java Library for Fitting Cubic Splines with Fixed Knots?

I'm looking for a Java library to fit a Univariate Spline to a set of two dimensional points. SciPy LSQUnivariateSpline accomplishes exactly what I want in python, but I haven't been able to find a ...
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Need a java library to draw to the linux framebuffer

I've been playing around with Linux lately. The last time I did that was 2005-2010. One of the things I enjoyed doing back then was ricing the vt. Back then, you could apply Splashutils, which was ...
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Acquiring video metadata with Java

I want to manipulate video files with Java. To do this, I need to acquire the video metadata like frame dimension (widthXheight), frame rate, codec, etc. and act upon those information. I know it can ...
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Library to generate Version 1 UUIDs to be called from Java

Version 1 UUIDs represent a point in space and in time. The "space" part is the MAC address taken from the networking port of the computer to uniquely identify where the id was generated (...
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26 views

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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Which library is best and efficient for calling native low-level api

Is there some library (in Kotlin or JVM languages) to efficiently pulling info from some low level apis such as wireless information, battery information, usb information, etc? I know in linux its ...
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26 views

Program to write “math” logic for code semantics

Tldr; Allows the user to define valid program state, valid program interactions, and then looks for sequences of interactions that would violate the valid program state. Requirements Runs on linux ...
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Libraries / Frameworks to use for an Android based Videogame Recommendation App

The project I have chosen for my final university year (Bsc Computer Science) is a video games recommendation app on Android devices. I'm aware that I'll need to apply Content-Based or Collaborative ...
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Static Analysis tools at method/function level?

Recently I got into using static analysis tools like sonarqube and Teamscale. However, they only show metrics at Project/Package/Class level. I am particularly interested in assessing the quality of ...
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28 views

Java library for ReCaptcha that does not utilize Google ReCaptcha

I am developing a ReCaptcha for a site. Because of client's requirement, I cannot use Google ReCaptcha and anything in the cloud. Basically, I need a library that can be installed on my local machine, ...
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10 views

Java HTTP(S) proxy server library that supports http/2, websockets and upstream proxies

I'm looking for a Java library to create featureless http/https proxy servers that supports http/2, upstream proxies and websockets. I've already looked into BrowserUp-Proxy and (even if it's a bit of ...
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48 views

Animated WebP decoder for Java

I am looking for a good Java library that can decode animated WebP imgaes to PNG files for each frame. I have come across libraries such as JMagick, webp-imageio, and JDeli, but these libraries are ...
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18 views

Java DOS-like UI library

I would like to write a really simple and rudimentary UI in Java that would run on a Windows machine in a very similar fashion like it runs in a terminal window. Basically I need to put a colored ...
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ChatBot with HTTP routing capabilities

I got a simple idea around an automated issue agent and I would like to put it into real world. It should be a ChatBot application that will get requests sent by another application (say Rest HTTP ...
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Android UI app Flow to code generator

I'm looking for a solution free/paid that would allow the following. Create set of Drag and Drop UI Templates. Where each UI template visually represents an existing Fragment's layout. I need to be ...
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21 views

Software to make a radial genealogy tree

I want to make a genealogy tree with this style (radial ) like this: Click image for larger variant I first tried to do it with Photoshop but I don't really master it and my family has about 100 ...
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4 views

Is there a ar depth api?

I am trying to build an ar app for android and stumbled upon Google's ARCORE API which is great, but does not allow placing objects behind real world objects at all. Google made an announcement to ...
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8 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 ...
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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 ...

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