Questions tagged [java]

Software requests for Java development tools and libraries for the Java programming language.

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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
10 views

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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22 views

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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7 views

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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6 views

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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10 views

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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5 views

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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18 views

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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1answer
51 views

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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9 views

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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15 views

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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15 views

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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6 views

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, ...
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1answer
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Needing new automation framework

I wrote a script for logging into a website and downloading customer data in the form of a csv using selenium package for python. Unfortunately the website just recently added a captcha to the login. ...
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1answer
22 views

I need a tool which will create micro service in java (spring-boot)

Features provided by the tool will be 1) All DB it should support eg:- couch base and elastic search 2) Kafka 3) Iam integration eg:- keycloak , Okta , JwtToken 4) GraphQl I have got a tool ...
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1answer
19 views

Which c++/.net/java library can be used to convert pdf as well image files to autocad dwg and back

Are there any libraries c++/.net/java/.. which can be used to convert various format as pdf, jpeg,bmp to autocad dwg and back. Thanking in advance
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Convert Number to Arabic words Instead of English

I have a requirement to convert digit to words in Arabic. I have already found the logic to convert from Digit to English words but not in arabic except few example which only support upto thousand. ...
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1answer
16 views

Java Programming Question [closed]

How to add same number without using the plus operator like input 5 then output 10 if input 8 then the output will be = 16
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What's your software/framework recommendations for building a CRUD application in java in a smart way

our firm develops softwares for business which mostly has CRUD (Create, Read, Update, Delete) functions. The software is quite big and provides several features to handle their data. And the data is ...
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1answer
11 views

Is there a plugin for java annotation which provides a feature like @NoGetter and @NoSetter?

I know about lombok which provides @Getter @Setter. But I have to specify this for each property. Considering I have a big application and most most of the v
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8 views

Software to combine documentation comments from multiple IDEs

I have a product for three different platforms, Windows, Android and iOS, and I'm looking for a program or a group of programs to combine and format their documentation comments. The languages that ...
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0answers
10 views

What is the best inter-process communication approach or software for programs written in different languages?

I want my C++ and JavaScript programs to communicate with Java and Go programs. And I want it to do with the lowest possible latency. I am familiar with standard input/output (aka iostream/stdio). ...
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33 views

Dynamic Call-graph

What is the best java open source tool for dynamic call graph? I have found two open source for call graph as follow; JDCallgraph - Dynamic call graph generation for Java. Programs for producing ...
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0answers
9 views

Recommendation for an indexing and search engine on semi-structured data

I have a semi-structured data in JSON format. I say semi-structured because some fields may or may not be present or maybe nested based on the availability of some data. Say the data format is, ...
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4 views

Python framework to draw surface plots similar to Java-based DataMelt

I need a Python framework that allows to created interactive 3D parametric surfaces, similar to what you can do using the Java-based DataMelt program. I need to reproduce this example submitted to ...
0
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1answer
6 views

Library/framework to share the same codebase for J2ME and Android versions of an app?

I recall I had seen such a thing on GitHub, but lost the link, and can't find it again. AFAIR, it provided an abstraction layer for APIs of both platforms.
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6 views

Swing GUI outline layout like android

i am searching for a Software that can Display the outlines of my Java Swing program. The GUI Desiner for eclipse is something similar. But this works only for static Objects not for dynamic Panels. ...
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8 views

A medium similar to Javascript canvas

I have enjoyed making project in javascript canvas for a while, making fun small games and interactive pages, but as soon as I try to do anything more complex in the canvas, everything begins to slow ...
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0answers
14 views

What do I use to test user input, for Java code?

I have some code in Java, started learning very recently, and ended up mainly using Atom for the writing. I have all the extentions such as terminal-plus, script, build, so on, but only know to test ...
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6 views

Java screen scraping

I need advice about what libraries (can be 3rd party) and/or frameworks I can/should use if I want to do screen scraping with Java. The task would be the following: There is an application window. ...
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0answers
57 views

HTML to PDF conversion in Java

I am trying to convert an string containing HTML into a PDF file using both xmlworker and htmlworker. Things are ok with htmlworker and I am able to generate the PDF but there are some issues ...
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1answer
25 views

How n where should I start learning Java? [closed]

From where should I start java? Which book should I prefer?
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5 views

What schedular library in Java for jobs that query the MySQL db?

Please suggest me a job scheduler library, in Java. This will be used to write jobs with Cron triggers, that will query MySQL DB for around 150k entries, and do some manipulation on the data and store ...
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8 views

Java and RADIUS server

Who faced the task of communicating with a RADIUS server, tell me, please, are there any good libraries for implementing this task, preferably with good documentation? Found TinyRadius and JRadius, ...

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