Questions tagged [java]

libraries for Java and Java development tools

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332 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
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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 ...
8
votes
1answer
709 views

Javascript library for flowcharting

I have a requirement for modelling flowchart like (workflows) diagrams in the Web application. Request suggestions for an open-source javascript library for the same. Features I am looking include ...
5
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0answers
211 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
209 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
85 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
826 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
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0answers
886 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
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0answers
188 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
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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
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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
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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
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0answers
69 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
72 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
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0answers
67 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
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0answers
42 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
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1answer
47 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
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0answers
318 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
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0answers
22 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
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0answers
24 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
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0answers
101 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
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0answers
39 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 ...
3
votes
0answers
119 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
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1answer
1k 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
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0answers
155 views

Single Step KDF specification

NIST SP 56A talks about Single Step Key derivation function. Is there any Java library which implements this?
3
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0answers
87 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
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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
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0answers
353 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
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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
458 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
359 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
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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
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0answers
18 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
14 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
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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
40 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
152 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
35 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
24 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
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0answers
38 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
30 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
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0answers
146 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.
2
votes
0answers
35 views

XML difference using Maven

I have a requirement to find out the differences between XML files of the current release and previous release, and report the differences in HTML format. These XML files are packaged in a jar during ...
2
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0answers
29 views

Free Java API for scanning fingerprints

Is there any free Java API available for scanning fingerprints? I want to implement fingerprint functionality in a web application which will scan and identify the fingerprint based on available ...