Questions tagged [java]

Java development tools and libraries for Java.

463 questions with no upvoted or accepted answers
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12
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334 views

Alternative to Struts-Menu for menus in Struts 2.X application

I am currently using Struts-Menu to handle my menu needs for my Struts 2 J2EE application. It is not necessarily a package I wish to work with I have found by playing around with it. So what is an ...
10
votes
1answer
1k views

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 ...
5
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0answers
217 views

Java library for macrobenchmarks

I am working on a macro benchmark (the Train Benchmark) in Java to evaluate the performance of various database management systems. I took some steps for eliminating potential threats to its validity: ...
5
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0answers
234 views

JDBC Connection Pool

What is the state-of-the-art in JDBC connection pool libraries? Years ago the Tomcat JDBC Connection Pool library was developed as an alternative for highly-threaded environments because of ...
5
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0answers
3k views

An alternative to Apache Tika in Java?

Do you know an alternative to Apache Tika in Java? This library is giving me problems and I need to resolve this ASAP. I will appreciate your advice. Edit: Apache Tika is a library that is used for ...
5
votes
0answers
57 views

Java library that provides a Mac OS X-style color picker?

Is there a library/SDK/etc. that brings the Mac OS X color picker to Java? I think it's the best color picker out there, so I'd love to use it in my cross-platform applications.
5
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0answers
1k views

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 ...
5
votes
0answers
86 views

Java lightweight library for QBE (non-JPA) open source / free?

I am looking for a freeware or open source java library that, given a JDBC connection, it can assemble/execute a QBE query, hopefully, using a POJO or HashMap as example. It does not have to deal ...
4
votes
1answer
1k views

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 ...
4
votes
0answers
951 views

Java Library for Creating ISO that's still supported

I'm working on a project that involves creating DVD ISO's from data that Java has access to. I can make a system call to something like "mkisofs", but that really affects the portability of the ...
4
votes
0answers
212 views

Audio editor written in Java

I'm looking for an audio editor written entirely in Java, without any dependencies that have to be installed. A self-contained JAR file that I can run from anywhere, even on machines that do not ...
4
votes
0answers
41 views

Key-value store with tiered cache

The nodes that will be accessing the data are separated from the server by high latency low speed connections. I would like each node to have an LRU cache using around 250MB of ram and 20GB disk to ...
4
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0answers
265 views

Which SQL engine atop Hadoop?

Since Hadoop came out, there have been various commercial and/or open-source attempts to expose some compatibility with SQL. I am seeking one which is good for low-latency querying, and supports the ...
4
votes
0answers
2k views

Java Codec API to convert JPEG frames/images to MPEG video

I need your help & wisdom for selecting a Java Media Codec Library. Requirements: Codec most be 100% Java implementation (No native dependencies) Codec most be able to convert JPEG images to all ...
4
votes
0answers
146 views

Self generated java file implementing STAX to parse XML files using available xsd

I have about 100 xml files each around 5MB. I have an xsd. Is there a way to generate a java class that will parse these files using the xsd I have ? Is there any tool that can do this? or will I ...
4
votes
0answers
73 views

Common regex generation java library

I'm looking for a Java library which can generate common regular expressions, such as: numbers of n digits alphanumeric sequences (no special chars) URLs email addresses IP addresses etc. The ...
4
votes
0answers
74 views

Class relationship “overviewer”/“explorer” for Java code

I'm looking for a tool for rapidly visualizing structural relationships in Java code. The hard requirements are: generates structural diagrams of selected classes and packages, the diagrams are ...
3
votes
0answers
11 views

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 ...
3
votes
0answers
68 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 ...
3
votes
0answers
44 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 ...
3
votes
1answer
51 views

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 ...
3
votes
0answers
348 views

Double Ratchet Algorithm (Axolotl) implementations

I'm looking for libraries that implement the Double Ratchet Algorithm (known also as Axolotl). So far I've found the following: https://github.com/wireapp/proteus https://whispersystems.org/docs/ ...
3
votes
0answers
23 views

Very small, limited-to-javax.inject dependency injection framework for Java

Is there any small DI framework out here that implements the javax.inject package (bar the @Scope annotation: @Singleton is enough) and provides only a container around it to get instances from? This ...
3
votes
0answers
28 views

A java-based library for FCA

I have had a chance to go through Formal Concept Analysis and found it a powerful tool for Information Retrieval (IR) topics. Nonetheless, I found it very difficult to find a comprehensive ...
3
votes
0answers
105 views

Java library to calculate the semantic distance between two documents

I am looking for any java library that calculates the semantic distance between two documents. I know that WS4J can calculate semantic distances using wikipedia data, also lingpipe has some NLP ...
3
votes
0answers
130 views

Is there a Java/Swing datepicker that can select a range of dates?

I've looked through some Java Swing datepicker libraries, but I haven't found one that can select a range (a pair) of dates, like many travel search sites do. Is there one you've run across, of high ...
3
votes
1answer
2k views

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 ...
3
votes
0answers
88 views

Where can I find a free Java Library to read multiple email formats

Our team has used Aspose .NET in the past (a product we purchased) to read multiple versions of email messages and parse the information for their content. We now want to to do a similar thing in ...
3
votes
0answers
105 views

Google Glass - Code39 Scanner

I need a code39 Scanner for my glass application. I've tried with ZBar (version 0.2), but it doesn't work. As you can see the picture is upside down and the quality is very bad. ZBar only works with ...
3
votes
1answer
2k views

Tools for generating JPA entity classes from database tables

I have been using Hibernate-Tools and JPA tools in Eclipse to generate JPA entity classes from an existing database. The problem is that this process is really complex to set up and has many small "...
3
votes
0answers
356 views

Java UML Reverse Engineering Tool for component view

After reading this post I found another problem. I am looking for a free reverse engineering tool that can analyse a multi-modules Java project and create an editable UML file but not the class ...
3
votes
0answers
79 views

Java CPU profiling tool with API for data collection and reporting

I am looking for CPU profiling tool for Java. The data collection agent must supports multiple platform (windows 32 and 64bit, Linux 64bit) should able to deploy on tens of machines without ...
3
votes
0answers
477 views

Free alternative to SVNKit?

I'm looking for an alternative to SVNKit that has a license more like Apache or BSD, i.e. a license that does not require me to release the source code of my own Java program that is using the SVN lib....
2
votes
1answer
364 views

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 ...
2
votes
0answers
7 views

Web framework visualizing decision rules (interactive graph)

I need web framework for creating visualization of decision rules. This is project for my master thesis (only 4 months remains). My vision is: Visitor uploads file with decision rules. Next he can ...
2
votes
0answers
66 views

Selecting a reliable cross platform framework

Currently I am using C++/Qt for cross platform desktop development (mainly Linux, Windows, Mac). Qt is powerful but I recently experienced some critical problems: Widget components and some other ...
2
votes
1answer
984 views

What Java library to use for iOS APN notifications?

I need to create backend in Spring Boot for push notifications for iOS, but I only came across 3 libraries: java-apns, javapns and pushy. The first two haven't been worked on for several years, and ...
2
votes
0answers
35 views

Java library to implement interactive menu on the command line

I want to implement a multiple choice command line menu for a program implemented in Java. This is how it should look like: Do you know of any Java libraries that will make this possible?
2
votes
1answer
17 views

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 ...
2
votes
0answers
28 views

Convert Spring Boot Project to classical static Spring Project

I'm currently looking for a tool or framework which converts a Spring Boot project with a bunch of conditional beans (auto-configurations etc. which are all evaluated during runtime) into a classical ...
2
votes
0answers
18 views

Are there libraries of statistical distributions in Kotlin or Java?

I was asking if there are libraries for the following: Distribution Normal Distribution Chi-Square Distribution t-Student Distribution F For example, if I want to find the critical point of 0.95 or ...
2
votes
2answers
54 views

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
2
votes
1answer
231 views

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 ...
2
votes
1answer
39 views

Backward-compatible alternative to Kotlin and Scala?

I'm seeking a programming language (i.e.: compiler and IDE software package) that introduces modern convenience concepts like implicit conversions, assignment/call fungibility, mix-ins, extension ...
2
votes
0answers
16 views

Library that converts CSS layout to Table layout for e-mail purposes

I'm searching for a library that can take HTML and css styles that uses modern block layout attributes, such as float etc., and converts that to a table structure. Unfortunately in this day and age, ...
2
votes
0answers
25 views

Java data serialization format alternative to JSON

I need recommendations for data serialization format alternative to JSON It need to be used in Java micro services environment for server to server communications I found an article suggesting ...
2
votes
0answers
44 views

Tool to easily manage multiple Tomcat instances and their ports

So far I have been using Eclipse with its tomcat server integration. It creates multiple directories(each for every application group deployed). Switched back to Intellij Community which does not ...
2
votes
0answers
81 views

I am searching a JavaHelp still supported alternative

I developed a Java Swing application, and used JavaHelp to generate the help for this one. But JavaHelp is too old and not supported now, I didn't find any alternative (I saw OracleHelp for Java but ...
2
votes
0answers
39 views

Library for numerical double integration in Java

Does there exist a Java library for evaluation of double integrals numerically using e.g. the multivariate Simpson's Rule? See Horwitz 2001, Journal of Computational and Applied Mathematics 134 1–11. ...
2
votes
0answers
161 views

Arabic OCR Java library, from PDF

Is there any pdf text extractor api that extract arabic text from pdf. I am using itextpdf api it works fine in extract English but it doesn't extract arabic text.

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