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Questions tagged [java]

libraries for Java and Java development tools

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0answers
39 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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19 views

Geospatial analysis library for Java/Scala

I am curious about recommendations for Geospatial analysis in the Java ecosystem. So far I've used PySAL (Python), sf (R), and Leaflet (JavaScript).
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8 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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0answers
67 views

Java library for Amazon Product Advertising API

I'm going to use Amazon Product Advertising API and I'd like to use it from Java programing language. Is there any Java library exists in order to avoid the own one based on Amazon web services?
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0answers
10 views

API - Any Java API that behaves like sun's HttpExchange?

I know that there're quite a few implementations of HTTP server. However, is there something that looks/feels like sun's HttpExchange so that I can reuse as much code as possible?
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0answers
16 views

Map UI Java Framework

I'm looking for an (open source?) Java Framework that provides an interactive Map UI. The project is rather proof of concept so it doesn't matter if it is OpenStreetMap or Google Maps. It is ...
4
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3answers
87 views

Java PDF library

I'm looking a free library for commercial use that allows me to generate PDF (from code) and add a HTML text (from HTML editor java-fx). I created my app on itext 7 and it works good but I have to ...
1
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0answers
18 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 ...
0
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1answer
177 views

Java equivalent to Ruby's SecureRandom?

Is there a Java equivalent to Ruby's SecureRandom.hex(...) method? Happy with anything in JVM-land: Something living inside the Java crypto APIs Something provided by a 3rd party/open source library ...
1
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1answer
190 views

Java library to generate DDL

Are there any Java libraries that allow me to generate DDL from Java code using a typesafe builder pattern, or similar? Something along the lines of: String sql = DDLGenerator.createTable("MY_TABLE")...
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0answers
34 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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0answers
89 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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2answers
45 views

Java Image Dimension Detection

I want a library that can figure out the dimensions of an image with just the first few bytes. It doesn't have to be perfect. I'm looking for something like this Nodejs library. https://github.com/...
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2answers
219 views

Actual implementation of JSR-353 (JSON)?

For handling JSON in Java, the following specifications have been published by the JCP: JSR 374: Java™ API for JSON Processing 1.1 JSR 353: Java™ API for JSON Processing (1.0 – predecessor to JSR 374)...
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0answers
24 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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1answer
133 views

Java library for boolean minimization

I'm looking for a good library in Java that supports minimization of boolean expressions (for example with the Quine McCluskey algorithm). EDIT (12.2018): the LogicNG project has implemented a ...
1
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0answers
20 views

Java web app authentication framework similar to django-auth

Looking for an authentication and authorization solution for Java web application (servlet based). Similar to django-auth, featuring; support for different backends (SQL, LDAP) user administration ...
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0answers
93 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 ...
4
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1answer
498 views

WebP library for Java?

Is there a library in java for producing/consuming image files in the WebP format? The libraries I found online are either libwebp written in C, or its JNI bindings in Java. Is there anything in pure ...
3
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0answers
57 views

Machine Learning library in Java

I'm new to Machine learning, and am trying to learn to develop some deep neural networks applications, possibly for both data analysis and multimedia/image processing. I'm a Java person myself so I ...
4
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1answer
453 views

Open-source Java-based scheduler with web user interface

I have an application that requires batch job scheduling on the order of maybe 100 jobs per day. I do not require (yet) that the jobs be chained together: right now each is independent of the others. ...
0
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0answers
19 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 ...
0
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0answers
33 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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0answers
40 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 ...
2
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1answer
66 views

What is the best open source tool to parse text content from files to make it available for search?

I would like to parse text content from any type of file to make it available for search. Say the file may be .txt, .docx - document type files or it may be an image, audio or video file. I could ...
2
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0answers
8 views

How can I have builds fail if new code is below coverage threshold?

Is there any Java testing framework (preferably Jacoco and/or Sonar) that will allow teams with poor code coverage, to forgive the existing code base, but require new code to be above a threshold, (...
3
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0answers
32 views

Eclipse plugin to warn about recursion

Recursion can often be unintentional and result in a Stackoverflow (.com). Especially as someone who doesn't like recursion very much, I would like to see a warning if there is some in my code. I'm ...
1
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1answer
39 views

An interactive desktop app with Java (free GIS tools, api, bib, …)

I'm looking to develop a Desktop app (and later a web app) with Java (JavaFX or Swing) that do some specific tasks but I don't know where to start from. I'm quite new to GIS, so I'll state some of ...
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0answers
21 views

Point label positioning library for Java development

I develop an Android app in Java which displays points on a map. Every point has a label. Since there can be up to thousands of points on the map, the labels tend to overlap on the screen, especially ...
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0answers
25 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 ...
2
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0answers
27 views

Machine learning in Java

For Python coders, most mainstream machine learning algorithms are implemented in scikit (save for genetic algorithms, which have their own popular implementations). What's a good Java alternative ...
1
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2answers
48 views

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 (lets say a few hundred million or even up to a billion) of data items consisting mostly of strings (but a few numeric fields as well)...
1
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0answers
185 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 ...
3
votes
1answer
184 views

Are there any frameworks for DDD?

I would be interested in a light framework that has at least marker annotations for people doing DDD, in Java, for starters. I know there is Apache Isis https://isis.apache.org/documentation.html ...
0
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1answer
53 views

A Java library for language-independent source code analysis

I'm looking for a Java library that would allow for modeling the elements of the source of an OOP programming language and performing post-parse semantic analysis on them. This library might have ...
0
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1answer
182 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 ...
1
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1answer
16 views

Android apps and Websites to learn Java and C [closed]

I am new to coding. I would like to Java and C from scratch. What are the apps and websites you would recommend to learn these languages? There are so many free and paid options, i am not sure which ...
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0answers
12 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, ...
2
votes
1answer
78 views

What JVM is free for commercial use on servers with Java 8 web application?

I am developing in Java 8, REST API, using Spring Date REST and MongoDB on Linux (on Intel 64-bit architecture) for commercial use, for a certain company. I would like to determine which JVM I can ...
2
votes
1answer
80 views

Java library for multi-media and graphics

I need to port to Java some apps that are targeted to mobile and desktop environments. They rely on either Cairo or Quartz2d (Linux or macOS), SDL and OpenGL. Can anyone suggest me an open-source ...
1
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0answers
9 views

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 ...
1
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0answers
12 views

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 ...
1
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0answers
31 views

Travelling Salesman: Java library

I have a list of 1000 buildings of a city, and want to find a short route that covers them all. Is there an implementation of this in Java? Requirements: Open source Easy to use: just call a method ...
1
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0answers
14 views

Spherical Travelling Salesman: Java library

I have a list of 1000 cities around the globe, and want to find a short route that covers them all. Is there an implementation of this in Java? Requirements: Open source Easy to use: just call a ...
3
votes
3answers
93 views

Java object cache (in-memory)

I'm looking for recommendations for libraries that help me create an efficient and fast object value cache in Java. My needs are as follows: Write: There are up to like 50000 writes per second to ...
2
votes
1answer
85 views

Looking for Scala or Java library that supports symbolic algebra and step-by-step symbolic solutions

I'm looking for a library in (preferably) Scala or Java that supports symbolic algebra (solving equations in an algebraic way, not just numerically). It would also be really great if it supported ...
2
votes
0answers
30 views

jar reverse obfuscation tool

I know there has some tool which can decompile the jar to java. But when the jar is obfuscated, the java code is also none readable. Can some tool help to deobfuscate the jar? Make the code more ...
1
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0answers
259 views

Java graph library with visualization on console

A lot of Java graph libraries, like JGraphT and Graphana, have visualization features for Java AWT or Swing. I'm looking of a graph library which allows to specify vertices and directed edges and then ...
0
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0answers
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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0answers
27 views

Installation package generator for Postgres, Tomcat, Java (jre) and a war file

My aim is to build a silent installer to install the following components on a user machine. Postgres including PgAdmin, Apache Tomcat 7 Java (JRE) 7.0 And a war file I am targeting Windows only, ...