Questions tagged [java]
Software regarding Java development tools and libraries for the Java programming language.
386
questions with no upvoted or accepted answers
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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 ...
- 1,437
10
votes
1
answer
1k
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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 ...
- 295
5
votes
1
answer
2k
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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 ...
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5
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247
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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: ...
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5
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324
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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 ...
- 3,118
5
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answers
4k
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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 ...
- 279
5
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0
answers
60
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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.
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5
votes
1
answer
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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 ...
- 161
5
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95
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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 ...
- 171
4
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0
answers
1k
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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 ...
- 141
4
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297
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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 ...
- 41
4
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answers
51
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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 ...
- 161
4
votes
1
answer
1k
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Numbers/Text/Picture recognition in an Image using Java
I'm working on a university project, I have to find an existing Java code that allows number recognition on a picture of a soccer t-shirt.
The title is more general because the problem can be seen as ...
- 141
4
votes
1
answer
3k
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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 ...
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4
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274
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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 ...
- 141
4
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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 ...
- 41
4
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151
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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 ...
- 141
4
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answers
78
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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 ...
- 141
4
votes
0
answers
89
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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 ...
- 201
3
votes
2
answers
158
views
OCR solution for scanning scanned documents
We want to scan scanned documents (PDF/Images), and extract the meaningful information as key value pair or any format. like When a suppliers sends us invoice as scanned pdf, our solution should ...
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3
votes
0
answers
15
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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 ...
- 131
3
votes
1
answer
76
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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 ...
3
votes
0
answers
72
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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 ...
- 181
3
votes
0
answers
61
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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 ...
- 229
3
votes
1
answer
61
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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 ...
- 161
3
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0
answers
424
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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/
...
- 131
3
votes
0
answers
26
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 ...
- 131
3
votes
0
answers
51
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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 ...
- 131
3
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0
answers
115
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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 ...
user24355
3
votes
0
answers
138
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 ...
- 131
3
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0
answers
95
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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 ...
- 1,437
3
votes
0
answers
105
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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 ...
- 39
3
votes
1
answer
3k
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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 "...
- 1,435
3
votes
0
answers
375
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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 ...
- 469
3
votes
0
answers
82
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 ...
- 251
3
votes
0
answers
546
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....
- 151
2
votes
0
answers
151
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Nice admin interface for Spring applications similar to Django Admin
I am a big fan of building Spring based Java applications. Recently I worked a little in Django and saw the Django Admin that is automatically generated for the app - and it blew my mind. Since then ...
- 121
2
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0
answers
197
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Running Java computations on the GPU on an m1 Mac?
I develop and run scientific computations in java on my MacBook Pro. I'd like to start learning gpu programming in java so I can optimize some of my pipelines. Ideally I can start with a high-level ...
- 141
2
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0
answers
30
views
What would be a good Java library for implementing a graphical programming interface?
I would like to make a graphical programming interface somewhat like Blender's node interface, which looks like this:
There's no need for automatic layout of the graph, the user's going to manually ...
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2
votes
0
answers
38
views
Minimalistic Java Code Formatter / Formatting Tool To ONLY fix certain aspects (eg whitespace in expressions)
Java code formatters that I'm aware of (eclipse JDT, intellij, astyle, prettier) are all quite aggressive and try to change all the code format aspects that they are technically capable of. However, I ...
2
votes
1
answer
368
views
svg 2 dxf conversion
I would like to know where I can find a reliable tool/library for conversion of svg to dxf. In between formats are also allowed as long as the dxf output is an exact replica of the svg. So that means ...
- 141
2
votes
2
answers
30
views
Remote Database and Table creation using MySQL and accessing information using the JAVA
I don't know if this question has been answered before but I could not find any answer so I am posting. If found duplicate I am really sorry and guide me to the original post.
I am trying to learn how ...
- 91
2
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0
answers
452
views
Library to generate Version 1 UUIDs to be called from Java
Version 1 UUIDs represent a point in space and in time.
The "space" part is the MAC address taken from the networking port of the computer to uniquely identify where the id was generated (...
- 3,118
2
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0
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322
views
Animated WebP decoder for Java
I am looking for a good Java library that can decode animated WebP imgaes to PNG files for each frame. I have come across libraries such as JMagick, webp-imageio, and JDeli, but these libraries are ...
2
votes
1
answer
399
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 ...
- 21
2
votes
0
answers
15
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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 ...
- 21
2
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answers
324
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Selecting a reliable cross platform framework
Currently I am using C++/Qt for cross platform desktop development (Linux, Windows, sometimes Mac).
Qt is powerful but I recently experienced some critical problems:
Widget components and some other ...
- 121
2
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0
answers
61
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Library/API to read dot code in Android Java and Xamarin
I'm looking for a way to read 'dot code' barcodes from tobacco packages. Do you know any free or cheap library/API to read those codes for Android (Java or Xamarin).
I was looking for this kind of ...
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2
votes
0
answers
31
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 ...
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2
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0
answers
48
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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 ...
- 121