Questions tagged [java]

Java development tools and libraries for Java.

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Java library for non latin input method

I need to make a Java based input method tool for linux platforms. It must work with any complex non latin writing systems (e.g. Chinese, Bengali). Any library to do this? I found this, https://docs....
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Java tool to represent 3D virtual map

I would like to create 3D virtual map on Java programming language (JSF). First of all, I have the range of WGS-84 coordinates which represent 2D-shape of some building. Secondly, I have cadastral ...
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Java port of C# regular expression parser

I'm in charge of imitating behavior of C# regex parser using Java. I'm aware that regex syntax is mostly the same in C# and Java. But there are some subtle issues that may greatly affect the result (...
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Embedded key/value store for JVM

Looking for suggestions on a key/value store with the following characteristics: Embedded. My environment is Scala, so that or Java is fine. I'm hesitant to consider MapDB, as it brings a dependency ...
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Java library to insert invisible text into a PDF

I want to insert invisible text into an existing PDF file, to make it searchable. For instance, if the user searches for "hello", the PDF reader should send the user to the page where I embedded that ...
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Spring Boot Code generator for RAML

I am looking for a Spring boot code generator, which receives RAML spec files as an input, and in turn, generate a basic Spring boot application covering the basic controllers, mapped with proper ...
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Parse Java Source Files with Python

I'm looking for packages, written in python, that parse Java source code. My goal is to convert Java source files into abstract syntax trees and I don't want to design my own AST. I am aware of an ...
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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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Searching for OCR that works well with non Latin characters(mainly Hebrew and Arabic)

Is there any good Hebrew OCR API/library (preferably free but not necessary) the text is printed so no need for hand-writing An Example for an image I want to parse The Program language is non-...
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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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Free tools to assist code reading

I'm reading a book which mentions that there are some tools which can assist code reading and understanding complex systems, and most developers are not aware of them, but the book does not name any ...
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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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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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There are some plugins to use in eclipse to generate an XML Model from a Java Project?

I need generate a xml with all the information of my java project (classes, members, access modifiers..). Some time ago I used a eclipse plugin to export a XMI file with all these info. Anyway, I don'...
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Spring boot JCA connection pool

we have a java application that uses Websphere to connect cics using jca. Websphere is configured to do connection pooling. I am tasked to convert this to spring boot application (using embedded ...
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Enabling SSLv3 for one specific endpoint

Some Java software I'm working on requires that we use a very old API that doesn't support TLS - it uses SSLv3. How could I access that endpoint without compromising the security of the rest of the ...
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What is the best java library for dkim signing?

I found this https://github.com/markenwerk/java-utils-mail-dkim for dkim signing. But, im confused between the below options. Use the above library. But, question is, Is it good to use in production? ...
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Irregular Cellular Learning Automaton

Please suggest how to implement irregular cellular learning automaton in java? Is there any library or package present for this?
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(Adopt)OpenJDK installation package including WebStart and JavaFX

I am searching for an open Java-installation-package that contains WebStart functionality and JavaFX components so that I can run JavaFX applications via WebStart. I want to replace Oracle-Java 8 ...
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Mocking and testing tool with SOAP and REST support for end-to-end Java tests

Can anyone recommend me a tool which can handle SOAP and REST based message mocking and preferably validation on the requests / responses? A basic test scenario running on my machine, service A and B ...
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Are there any reliable implementations of ElGamal public key crypto in Java?

I need to use ElGamal for a project of critical importance in terms of confidentiality. My frustration is that I have not been able to find a reliable, industry-tested implementation of ElGamal ...
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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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Choosing a component test framework for Java projects

We would like to add tests of our Java modules as a whole. To make sure that after every change there is no regression in the functionality of the thrift calls that we support (In addition to unit ...
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What is some good software where i can write & execute JS code? [closed]

I am looking for something like https://playcode.io/online-javascript-editor but software
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1answer
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how to build desktop application?

I want to build some basic desktop applications? which workflow is largely used? why? how to start to build a desktop application? Electron.js is an option but not sure its right option for desktop ...
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Best Layout Manager for Dividing Content Unevenly

What would be the best layout manager if I am trying to create a GUI with 75% of content on the left side of the vertical and the rest on the other side?
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Dashboard with actions in a microservice environment

In a microservice environment you may have many options to fine-tune different parameters like how many instances of a container should run, how many threads to spawn etc. I am working in an backend ...
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Build an app which takes pictures and the rebuild it in 3D format but the 3D model gives information about aspects of the photo taken

0 I need to do an app IOS and Android, which takes a picture and then rebuild it in 3D , then I need to capture some aspects like highs of the objects in the image, and calculate some aspects of the ...
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What is the Cheap and Best Online Database for Android application used by 200k daily users?

I am student developer who is working on building an Educational Video App with roughly 200k users from scratch.I am currently using Firebase Realtime Database.The data stored is around 2MB But I ...
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Extract images from encrypted PDFs

I was trying to read a QR Code from some encrypted PDFs in a Spring/Java project with the approach: Extract pdf to png (with PDFBox) Read the QR with Zxing/QrReader But it seems that PDFBox cannot ...
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How do I monitor with Jprofiler during debug Intellij?

I'm using Eclipse as IDE. I very much appreciate the plugin JVM Monitor http://jvmmonitor.org/. With it, you can easely profile either for a debug or a run configuration. So it's a very powerfull ...
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Is Spring Boot Admin a robust application for large scale monitoring?

I am working on Spring Boot applications and wanted to add a monitoring and management add-on to the Spring Boot based services. I wanted to know what are alternatives and merits and demerits of ...
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What can I do to integrate shipment into my Spring Boot webapp marketplace?

I have a web marketplace developed with Java Spring Boot. I would like to automatically create a shipment with DHL, FEDEX or others (don't know which one yet, or maybe there are easy solution which ...
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A Java library for parameter validation and building commands

I'm looking for a library that would take in a number of parameters and construct a command (e.g. for running bat files or SQL scripts) instead of me checking the parameters with regex and ...
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Looking for equivalent lib to Vertx: io.vertx.ext.auth in Spring-Boot

The former code is using io.vertx.ext.auth lib for user password hashing and token generation. I"m writing a new micro-service in Spring boot and want to use the same lib but in Spring. The vertx lib ...
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Can I use my phone to create android apps in Java?

I'm looking for an app that allows me to create an app in java. I have found numerous java IDEs, but I cannot export the project as an app.
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Windows CE RAPI for Java

Remote API or RAPI is a Win32 API that runs on desktop systems for accessing Windows CE–powered devices. I need something similar to RAPI for a Java-based software to communicate with a Windows CE 6 ...
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What is the recommended GraphQL client for Java / Spring stack?

I've got a graphql-java server serving a bunch of useful stuff. It works great with apollo (GraphQL Javascript client), but I'd like to use it for communication between other APIs. I've done a bit ...
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What library to use to scale a Java Play Application into a cluster, keeping the Akka Scheduler operations in sync?

I want to scale out my Java Application built using the Play Framework to multiple servers via replication. The only issue I am facing is that there are certain operations scheduled to run every day ...
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Which Web technologies are the most consistent and could offer long term Browser support?

I'm brainstorming ideas about Web front end and backend applications. In this case this could be futile because web technologies change so fast. However, which technologies or languages could I use ...
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Read / Write CSV

i need to transform 30 millions of records from DB into CSV file. my ask is that it should transform 10,000 records/sec. is there any java library available for this kind of task.
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Quantile Regression Library in Java or Scala

I need quantile regression library in java or scala. I have searched online and couldn't find any. Do anyone know if such library exists or I'll need to write my own implementation?
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Tool to create .deb installation file for Java application ( Jar file ) in Windows

I have developed a Java desktop application using Eclipse in Windows. Now I need to create an installer for GNU/Linux. Please suggest a tool or any other method for doing this?
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How can we provide dynamic arguments with that custom URL. How to do that with install4j

We have installed install4j trial version in mac os to make the .app file for our application. We have registered our custom URL using "Register a URL handler" action in install4j. We are able to ...
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How to trace classes and methods?

To analyze which functions are invoked in an instance of execution for a program, we can use strace to achieve the goal. For a java project, if I want to understand the source code, I think some tool ...
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Java performance testing - randomizing the placement of functions, stack frames, and heap objects in memory

I'm working on my engineering thesis which takes on the subject of 'Trie Tree Implementation'. My plan is to present various implementation (based on different data structures and algorithms) in Java, ...
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How to insert record to database in Java threads no synchronize

How to insert record to database in Java threads no synchronize?
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Java library/code for reading NSArchiver based data

I need to read a file in Java that a macOS application is creating using the NSArchiver class. I also need to write files in Java that this same macOS application can later read using its ...
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size limit of compiled JSP files to more than 65KB getting error

We are upgrading our Java application from Java 1.6 to 1.8 and Server weblogic from 10 to 12c While compiling few Jsp files show errors " it should n't be more than 64 kilo Bytes like that" ,It is ...
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How much helpful is Google Pagespeed Insights to make a tool using Java programming?

I need recommendation about google PageSpeed Insights for making a tool to check the page speed related services. google Page Speed Insights I struggling to find out the scope of google's this api, ...