Questions tagged [java]

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

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5
votes
1answer
439 views

server-side & client-side templating engine for Java

Are there any alternatives to duel engine? We would like to use it but there's not enough documentation and downloadable examples. Perhaps something more popular and tested would be preferable. We are ...
3
votes
3answers
134 views

Bug/issue tracker for small extent team

What issue/bug tracker would you recommend for a small extent company? Approx. (5-7 people). My preference is lightweight, with compatibility of all operation systems, practical and appealing user ...
1
vote
1answer
533 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")...
0
votes
0answers
55 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 ...
1
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0answers
162 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 ...
2
votes
1answer
136 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
48 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.
5
votes
5answers
540 views

Cross-platform IDE alternative to MS Visual Studio - other than Eclipse CDT

I program on Linux (CentOS), OS X and Windows, primarily in C and C++. I've used Eclipse CDT on CentOS, and it's decent, but I find I prefer Visual Studio. The issues I have with Eclipse CDT are that ...
1
vote
0answers
319 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 ...
2
votes
3answers
305 views

Framework or CMS to build e-learning webapp

I'm searching for a framework or CMS that could provide me these features on a webapp: A way to create presentations (slides) A way to create multiple choice questions A way to create a course from ...
1
vote
3answers
101 views

File converting to pdf

I am searching for library or api for converting FROM Plain text, MS Word/Excel/Powerpoint (DOC, DOCX, XLS, XLSX), PDF, RTF, OpenDocument (ODT, ODS, ODP, ODG) TO PDF. I found some, but i want opinion ...
2
votes
2answers
124 views

library for PDF reports

I am looking for a java or javascript library for PDF reports generation (think e.g. of Jasper Reports for Java). There are many frameworks so in order to select one out of these two I need some help. ...
4
votes
1answer
941 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. ...
3
votes
0answers
69 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 ...
0
votes
0answers
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 ...
1
vote
3answers
53 views

Is there a framework/library/… that supplies web UI components for table/record navigation and filtering?

Like the desktop DBMSs Access and Libre-/OpenOffice Base supply them for their forms: [Tags that do not exist and which I'm not allowed to add with less than 300 reps:] vaadin hibernate
2
votes
1answer
296 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 ...
0
votes
0answers
55 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 ...
1
vote
0answers
54 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
votes
1answer
416 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
votes
0answers
9 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, (...
1
vote
1answer
45 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 ...
3
votes
0answers
49 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 ...
2
votes
0answers
23 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 ...
0
votes
0answers
28 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
votes
0answers
37 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
vote
2answers
56 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)...
4
votes
1answer
3k views

Java video manipulation library

I'm searching for a Java library that allows me to do some video manipulation like splitting a video in many parts and converting it into some other formats. I've found out that there are already ...
1
vote
1answer
18 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 ...
1
vote
0answers
15 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
169 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 ...
1
vote
0answers
15 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 ...
3
votes
3answers
263 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
104 views

Java/JS library to detect (not validate) emails and/or phone numbers in text

Is there any Java or Javascript library that deals with email/phone numbers detection within text? I'm not talking about validating them, just want to find something that could potentially look like ...
1
vote
0answers
16 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
vote
0answers
39 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
vote
0answers
17 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 ...
2
votes
0answers
35 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 ...
2
votes
1answer
41 views

Open source wiki in Java (similar to Foswiki)

The features of Foswiki are really very very good. However I am looking for a similar wiki built in Java so that we will have portability, cross-platform support, etc. Do we have any good open source ...
1
vote
0answers
610 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
votes
0answers
13 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 (...
1
vote
1answer
96 views

Java scientific math library to solve a string

I'm doing a scientific calculator app but I don't know which library I should use. I need a library that can solve scientific math expressions and if it can solve functions even better. I'm looking ...
1
vote
0answers
43 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, ...
1
vote
0answers
39 views

Open Source bug tracking software, implemented in Java

I'm looking for the best open source bug tracking software which has lots of features developed in java I don't see much in top list - http://www.thegeekstuff.com/2010/08/bug-tracking-system Found ...
2
votes
0answers
18 views

How can i run my service on a clustered environment?

How can i run my service on a clustered environment ? Any products out there to help me out. This product should take care of managing the cluster, cluster failover, rebalancing in case of node ...
2
votes
2answers
270 views

Simple storage engines or low-level databases embeddable in Java

I'd like to find simple storage engines or low-level databases, embeddable in Java. I.e. libraries. They only have to be able to store bytes, really. Keys could be simply integers. No querying ...
1
vote
0answers
57 views

IntelliJ plugin or other software to generate Java code maps

I'm looking for a program or a plugin to generate maps from Java source. Something that can be used either to improve my thinking process or use for documentation and presentation. Is there such a ...
2
votes
1answer
516 views

Embedded database on Java

I need a database without having to run a server. It is not going to be big, 10MB and 5 columns at the most. I don't need it to have something like primary or foreign keys, just somewhere where I can ...
1
vote
0answers
26 views

Tool for generating test case document from javadoc

I am looking for a tool in Java/maven that can generate test case document from javadoc and merge the test result into it. I am indeed to put the javadoc in front of all integration tests and I want ...
11
votes
2answers
262 views

Open Source Java Solution to distribute jobs and start multiple JVM workers

Goal I am looking for an Open Source Java Solution that can be used in a small (2-4) cluster of linux machines. You can think on this like a farm of processing worker servers that are just listening ...

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