Questions tagged [java]

Java development tools and libraries for Java.

497 questions with no upvoted or accepted answers
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22 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 ...
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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, (...
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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 ...
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36 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 ...
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34 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 ...
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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
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0answers
18 views

canonicalizing an address in java

I'm looking for a Java function that canonicalizes an address. For example, ideally it would give me the same output for all of the following: "73 e main street apt 10, boston, ma 02129" "73 East ...
2
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0answers
46 views

Java library for thermodynamic calculations

I have been trying to find a java library of the core thermodynamic calculations / formulas. The closest I got was this: https://github.com/OpenSourcePhysics/osp/tree/master/src/org/...
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120 views

Open Source Web Application for Managing Tennis Tournaments

Does anyone know a reliable open source Java/Python/PHP web application that I can use to manage tennis tournaments?
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40 views

Developing a web/desktop app on an android device

Are there tools that allow one to do professional development on a mobile device (specifically android)? The things I'm looking for are: I'm looking to develop a Java web application that will ...
2
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0answers
176 views

Java library to load CSV file into any JDBC database

I would like to know if there is any library that I can use to populate tables in my application (tests and data migration) from CSV files using JDBC. I know some databases has this feature but I ...
2
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0answers
209 views

Java Libraray to produce plain text markdown or asciidoc

There's a lot of libraries to render markdown file. But I cannot found any library to produce a *.md file from Java code. I'm looking for some library like: FileOutputStream outStream = new ...
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35 views

Software recommendation for a setup that requires fast atomic batch incrementations and fast batch reads of those counters

Context: This is a Jersey application Run on a Tomcat server Connects to a MySQL database using Hibernate All on Netbeans I have an application that has Item objects. Each Item has a unique Number ...
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332 views

Rule engine that stores rules in a property file or in the database

I am new to rule engines. I need an open source Java based Rule engine for my project. I want to store rules in a property file or in the database. I checked easyrules rule engine. It provides 3 ...
2
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88 views

Android development using Android Studio or Xamarin using Visual Studio

I'm at a bit of a cross roads. I'm a seasoned C# developer. I want to create a software application that uses the Android platform. I need to know given some criteria which is better for developing ...
2
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0answers
39 views

Efficient storage of vectors for Java

I'm writing an application in Java and would like to store the data. The data in question will be a certain number (may be a few 1000s) of vectors, and each vector would be of different size, but the ...
2
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0answers
56 views

Converting HTML with Bootstrap Styles to Image (PNG)

Is there any Java library that gives support for converting an HTML file containing CSS styles and bootstrap.css style to an image, preferably JPEG. I tried using phantomjs but it gives me full ...
2
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0answers
51 views

Automatic Library Extraction from Java Source Code

I´m working on a Java source code analyzer and need to analyze about 50 Java projects. To analyze these projects I need to add the libs which are used in this projects. I do not have to build the ...
2
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0answers
169 views

Tiny Java library to roughly guess country from latitude/longitude

I develop an Android app that lets people upload a picture and tag it. When the picture's EXIF data has GPS coordinates in Japan, I would like to add #japan to the tag suggestions. Requirements: 100%...
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0answers
23 views

Second level caching with hibernate

When second level caching is enabled with Hibernate, it seems to have a lot of limitations like the information from the cache can be queried only using the primary key and usage of joins. I think ...
2
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0answers
22 views

AOP solution for domain/range annotation-parsing of function definitions and invocations

In the form of non-existent Java annotations, here is what I would like: class Example { static double sqrt(@Domain(0, Double.MAX_VALUE) x) { return Math.sqrt(x); } @Range(0, ...
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24 views

What is a good choice for managing users/security in an SAAS environment?

I'm building an SAAS application and looking for solutions to secure my RESTful API (written in Java/Jersey 2). Developers should be able to consume my REST API via an Access token. I had a look at ...
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0answers
26 views

Generate forum signatures from data

I'd like to generate forum signatures similar to this one: What are the best tools and frameworks that would help me produce such images easier and looking more visually appealing? Ideally, this ...
2
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0answers
268 views

Convert Excel to GeoJson in Java

I'm looking for a way to convert an Excel file to a GeoJson file, I looked at GeoTools, found an gt-excel plugin, but I couldn't get it through Maven to try it out. Is there another way ? edit The ...
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0answers
114 views

Java Bible app for LG306G

I have a LG306G that uses Java apps. I am looking for a Bible app for it but have not had very good luck. I would prefer NIV, and I don't mind paying for the app. Like I said I need a Java app (...
2
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1answer
883 views

Open-Source MQTT Broker in Java

I need a MQTT broker which has HTML5 websocket support and customizable (db-related) authentication and authorization support. I've found Moquette and Apache ActiveMQ. Moquette has only one ...
2
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0answers
129 views

Java library for threshold signatures

I need a library that implements threshold cryptography. The idea is to use the technique in a replicated system implemented in Java. So far, I have only found ThresSig (which implements Shoup's ...
2
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0answers
50 views

Library to map Javascript classes to Java classes

I work with automated front-end testing using Selenium webdriver quite frequently. One webdriver method I need to use a lot is webDriver.executeScript("some jQuery stuff usually"). My problem is ...
2
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0answers
712 views

Numbers/Text/Picture recognition in an Image using Java

I'm working on an university project, I have to find and existing Java code that allows doing number recognition on a picture of a soccer t-shirt. The title is more general because the problem can be ...
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0answers
43 views

Software that records usage data (button clicks etc) in my software

I need a library to embed in my software programs, that would work a bit like the Eclipse Usage Data Collector to be precise. What i need is a way to get information about the users' button clicks ...
2
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0answers
54 views

Database solution for multi-user uml-ish application

I'm working on a Eclipse RCP-based application that will switch from single user local storage to multi-user database storage and are now considering what storage solution to use. It's sort of UML ...
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0answers
614 views

Are there any libraries for converting handwriting to parseable text in Objective-C/Swift?

As the title suggests, are there any open-source (or paid) libraries for Objective-C or Swift that convert handwriting to parsable text (String, array of characters, whatever)? I've seen this for Java ...
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0answers
33 views

JVM framework for creating scalable non-CMS web applications

I am doing research for a post-graduate project. It generally involves security and distributed server network. Project will aim for speed, scalability and safety and I am looking for a framework to ...
2
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0answers
430 views

Java Graph library for Network visualization by Graph

I want to Implement a visualization interface for visualizing nodes and edges as graph and some objects like nodes moving between the nodes as Data packets Like the image below: I have tried using ...
2
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0answers
4k views

Need to convert Visual Basic code to Java using automated tools

I would like to convert VBA macros from Excel to Java code. The code conversion need not comply to Object Oriented methodology. I tried to find something on google and found the following 2 links Sun ...
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0answers
42 views

A tool for “code only” Java Android development

I'm developing a Java application which should run primarily on Android, but desktop is strongly considered and iOS may be a nice bonus. As the GUI is by far not the core (estimated 10-20% development ...
2
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1answer
32 views

Non-x86 CI service

Please suggest CI service that can run Java/Scala builds with tests on non-x86 architectures: ARM, PowerPC etc. Maven (or Sbt) integration is required. Free option for OSS projects (like in Travis-CI ...
2
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0answers
40 views

Are there GUI's to create shaders?

I have been dabbling around with the shader system of 3Ds max 2012 and the UDK. These GUI's are great for testing out things visually. Now I want to create some basic GLSL shaders to test some things ...
2
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0answers
66 views

Recommendet tool (plugin) for software reuse in Java

I am looking for a tool (or plugin) which can help me in doing software reuse in Java. Recently, I worked with Merobase and its Eclipse plugin Code Conjurer. It helps to find a desired feature based ...
2
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0answers
60 views

Software to automatically generate URL Shortcut Apps for various Mobile Platforms

I want to automatically generate a Mobile Site Shortcut app to my mobile site for various mobile platforms. I have a site "MyMobileSite.com" and I want to automatically generate simple native apps ...
2
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0answers
774 views

Convert UDX to VCF in Java

What libraries should I use to convert UDX file from cell-phone to VCF? ez-vcard doesn't work. UDX file is like this: <?xml version="1.0" encoding="UTF-8" ?> <DataExchangeInfo> <...
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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?
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0answers
27 views

(MU2) Direct messaging library or provider

I'm looking for a library or even a SaaS provider for Direct [1] messaging, a requirement for Meaningful Use phase 2 certification. I prefer tools with a REST API or alternatively Python or Java. [1]...
2
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1answer
378 views

Library to Solve a large sparse linear equation system $Ax=b$ (almost banded matrix)

I'm looking for a tool or library implementing a fast algorithm in C or JAVA for solving the equation $Ax=b$, where $A$ is a $N*N$ sparse matrix with $5$ non-zero diagonals $(-N,-1,0,1,N)$. my ...
1
vote
1answer
27 views

A tool to generate PDF reports from a client request in a Web App

I need an advice... I googled a lot and I'm a bit lost right now. I'll try to give you all the infos, keeping it short and simple (I hope - and sorry I'm not a native eng speaker): What we have right ...
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0answers
8 views

Operation Automation Tool Recommendation

Complex huge monolithic code which hundreds of applications use and each one has different cluster which also use a lot of side-services like Solr, Redis, Cassandra ... etc and all of them are on-prem ...
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0answers
11 views

Java: What is the best free library to plot polynomial graph?

I want to build a program to plot 2D polynomial graphs in Java to plot graph such as y=x^2. Any suggestions for a free library? Is there any free library which can do this? Thank you.
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33 views

Tool to see network calls made by an Android app

I am trying to search for security vulnerabilities in the Android app and hence wanted to know the software which can help me to track the network calls being by an Android App. The software should ...
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0answers
7 views

How to view structure of execution of my project

I'm new to java,I can execute my code just by running the main function,but I would like to know the structure of my code execution,Suppose our project source file has more than 200 files,just my ...
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0answers
7 views

Build Akka library partly

I want to add configurations to Akka library and build it again. It takes me a lot of time to build the whole project every time for testing the changes on a jar file library.Is it possible to build ...

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