Questions tagged [java]

libraries for Java and Java development tools

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Google API to fetch contacts, emails and addresses of businesses

Is there a google API that can extract the addresses, emails and contacts of businesses from Google Maps and Web? There are some 3rd party tools available as I search, but is there a google API that I ...
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Starting out on Java machine learning/ pattern recognition

I have recently started a new project in java which will handle large amounts of data and i was wondering if there was a way of using machine learning or pattern recognition to automate a sort of ...
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1answer
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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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6 views

Need recommendations for light weight, single JVM java caching and persistence

I need to write some service code which may be integrated into a web service and also may be integrated into a Java Desktop app. I want the call logic to get the objects it needs from a in-memory ...
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14 views

Integrate a graph for uplink and downlink throughput in my Android application

My Android application continuously sends and receives data. I want to display a graph for the total throughput. It need not be application specific throughput, it can be total wifi+cellular network ...
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Online tool that converts Java class to C# class, and viceversa

The question is simple: is ther an online tool that converts c# code to java and viceversa? A simple example would be to convert a POCO to a POJO (this is usefull when accessing the same database from ...
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Transfering data from aurora to sql server

I am using auorora postgres database and sql server. Can you recommend a way how to transfer 100M rows table from aurora to ms server? I was trying to use spark for this issue and as I understood ...
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45 views

JavaScript library to edit a PDF file

I created a project using React Js that consumes endPoints for dynamic data (i don't have access to those endpoints). And it's been three days now i'm searching for a solution that can help me to ...
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40 views

Passport data read, text and image

I want to know about an API which can perform two operations 1. Read image from passport and compare with the other image 2. Read text/mrz from passport and convert it to object which I can ...
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8 views

Easily modifiable software for a barcode scanner inventory system

I’m working on a project involving scanning a barcode and/or printing it all while storing the information as inventory via receiving information from the scanner. I am curious if anyone recommends ...
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4 views

Performance testing tool (multi protocol)

I have an issue. I am wondering which software can I use for performance testing tool for one module of my application? I have a module which takes HTTP request et and sends a JMS request to an Apache ...
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21 views

Reverse engineering of a Java web application

I have a Java web application (runs with Tomcat), that I would like to understand. I have also the source codes. It has a service () function, that is called when an URL is entered in the browser and ...
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58 views

Is there a java library to perform rsync-like synchronization over ssh?

The sshj library supports sftp. Before I start writing a file tree sync lib based on sshj/sftp, I wanted to ask if there is already such a or similar thing for Java?
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Product Development in Java with Spring Framework (or anything else)

I am looking for ideas on software to use. The design I have in mind is to develop products which have attributes that can be defined and reused. So, for example, if you take a loan product, a loan ...
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9 views

Easy REST/HTTP AdminPanel with Maven

I have created my own API in Java-Maven and now I would like to create an admin panel where I can see the user info, create a new user, etc. In other words, an admin panel where I can use the ...
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20 views

Java reporting tool

I've been working with Jasper Report for a whilte. JR provides a preview feature of the compiled-filled report before printing but doesn't allow the end user to modify the previewed report. However ...
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9 views

Spectral Embedding in Scala or Java

I'm looking for an alternative to sklearn.manifold.SpectralEmbedding (python sklearn library) in Scala or Java. Is there anything like that?
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How to abstract multiple DB tables?

I need to build a website which is served by live data in RDS (constantly updating data). For every website request we join multiple tables and aggregate data - ex. SUM, AVG. Since we join multiple ...
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41 views

Eclipse: Javascript plugin which allows to open a function implementation

I would like to find a plugin for Eclipse which open a function implementation after clicking (or pressing something) on that function call. When I click on a function call while pressing Ctrl and ...
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Testing the efficiency of my DFS project

I have created a simple implementation of DFS that takes input from the user. It simply just runs through the terminal in Eclipse. Here's a brief idea of what the input looks like: Map of Nodes: ...
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20 views

Automatically generate Java JNI or JNA bindings for C++17 code

Is there a software to automatically generate Java classes for a JNI/JNA binding from a library that is written in C++17? For older versions of C++ there is JNAerator (https://github.com/...
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8 views

What lightweight library provides a way to transform JSON in safe way based on external configuration / input?

Context I'm currently developing a tool to generate graphical output based on input: a reusable template to be used, which consists of: graphical template, descriptor containing also definition ...
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9 views

Recommendation for Web-controlled music playback on pi

I want to work on a project I imagined a while ago where a raspberry pi plays back music from a queue. The queue should be accessible from a web page, hosted on the pi. As of now I have never worked ...
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Need an API to run npm command from Java application

I am creating a Java application UI that do some edits in an ionic app. then I need to run the ionic app with the command npm run test automatically from the Java application. I am almost done with ...
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15 views

Is there any library for Fuzzy Support Vector Machine (FSVM) or any implementation code for this?

I am trying to implement Fuzzy Support Vector Machine but can't find any related library or implementation code. Anybody know related library for FSVM in Java?
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Java read jpg exif rating (apache tika)

I need to read the exif data from jpgs (tags, rating, ...). This is nicely done by using the apache tika library. But tika does not output the rating of the image (file properties of jpg shows the ...
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Need a Fast Java ORMS

To prevent having to develop 2 versions of the same thing, I need a ORM that: Works on both Java and Android Can connect to JDBC servers, including H2 and MySQL Can connect to H2 file database ...
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41 views

Pert Chart in Java

How to create this kind of graphs in java? I mean, is there some kind of a library or a software to do it? It's something I need as a display for Pert method's code that I am going to write. P.s: I ...
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1answer
232 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 ...
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33 views

Java Open Source for work flow management

I'm planning to develop and application and needs a work flow engine as well for couple of process, approval, rejection etc., Please kindly recommend a good java open source work flow management tool ...
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36 views

Free alternative to EHCACHE with persistence to disk?

I am looking for a free (open-source) alternative to ehcache Disk Persistence. Please note that while ehcache itself is free, the disk persistence features are not. Specifically, from this set of ...
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23 views

Java matching (DFA?) library

I'm almost sure that the question is not new and there might be an existing solution which solves it. Unfortunately, was unable to google it. Checking if someone here can reference it :) Suppose we ...
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24 views

Secure paidment method Primefaces

I´m interested in adding a payment method to my Primefacess app. Is there any paypal or any secure library for credit card payment that I can add? I´m specially interested in the credit card payment.
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Tools to create an .exe installer for a Java (JAR) application

I have a Java application (it is composed of a main .JAR plus JAR libraries and miscellaneous other files, but I can turn it into a Uber JAR if necessary) and I'm looking for a tool or tools which ...
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9 views

Is there a Django/RoR/Grails-like application generator for the Java+Spring+Hibernate stack?

I've seen demos of application generators, which can take a set of object definitions and produce a basic database and management UI. Django (for Python), Ruby on Rails, and Grails (Groovy), all can ...
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1answer
44 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 ...
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109 views

Solve small quadratic programming problem with inequality constraints in Java or C/C++

I need to solve a quadratic programming problem. The problem is small, 4 variables and 8 constraints, and has inequality constraints but not equality constraints. I am looking for a library in Java or ...
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37 views

Java library for JEE in-container unit testing

I'm looking for software which will serve as useful toolkit for in-container(i.e. JEE container) testing(nice description of what is in-container testing can be find here) My requirements are: ...
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17 views

Production Grade Image Scaling in Java

I am working on production-grade Image Scaling Libraries based on Java. I have come across some libraries. Java Image IO jMagick (could not use it on windows machine due to running a 32-bit binary on ...
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27 views

Java Library for XML to JSON to XML Impedance Mismatch

I need a lossless conversion of XML to JSON and back again using Java. I have used a Javascript library called jsonxml, which does it properly, but nothing in Java. The best I seem to have found it ...
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52 views

Java on 64-bit version of Firefox

I was having difficulties in playing videos on youtube. So I updated firefox few days back. Today I updated Java. Installed 64-bit online version of java. I got this message on java site : We ...
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21 views

API to read, write and manipulate msword files

I want to write some java code to read, write, edit and do other things with sets of Microsoft Word files (different Word versions). What is the best API for this, and how do I get started? P.S. I ...
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42 views

Open source tool to extract text from developer file types

I would like to parse the text content from these developer file types and index them and make them available for my lucene search engine for search. I would like to parse the text content from these ...
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27 views

Is there a Java Shunting Yard Framework?

I've created several infix to postfix implementations (shunting-yard algorithm) but find myself starting from scratch each time. I find it reasonable that someone has created a library or framework ...
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1answer
395 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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12 views

Tool for counting total needed lines of code in a Java project (including code in library projects)

I'm looking for a tool that traverses Java source code files starting with some class that I can pick and gives me a total of all lines or code that are needed to successfully compile the project (...
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25 views

Is there a Java IDE that has the ability to produce an imagemap?

Fireworks and Gimp have the ability to produce an image map and HTML code export, but is there a Java IDE that has this ability? Specifically, import an image, draw hotspot shapes with a mouse on the ...
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19 views

Java Library (or regex examples) for identifying code in a String

Does anyone know of a Java dependency or suite of regular expressions that can check a string for instances of code? Preferably one that can check for instances of code based off paramter such a ...
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179 views

Is there any opensource java restaurant management system is available

I want to do an online mini project in java which is for food ordering in restaurant. Specifications Customer: Place the order, Pay the bill, Review order places, Employee: Take the order, Billing,...
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42 views

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). ...