All posts for Java Community | Help. Code. Learn.

• build javaFX jar from github via maven
• How would I hide a specific Character in a ListArray
• i need help with installing java runtime on putty
• Help with interfaces/ inheritance
• How to set UUID as a primary key, and make an entry?
• did someone have sigma 5.0 apna college ?
• Pig Latin Project Java
• Modular Spring app can't find persistence provider
• Kotlin Branch Test coverage question
• Sequence allocation size question
• How to handle these exceptions? Libgdx
• I'm trying to get back to Java
• Help on an old Notch game (Herp Fortress)
• run in docker container error
• Looking for assistance getting a string to display on the frontend in an Angular project
• java calendar
• java.util.LocalDate cannot be resolved
• Im trying to make dragging on a grid, but the element is dragging under the other columns and rows
• In Project Annotation Proccessor
• Netbeans not creating a actionperformed section for a certain button?
• Netty server and javafx services
• Why can it not resolve the dependencies?
• Unallocating direct buffer
• Help what am I missing?
• got 403 forbidden, can't pass the SecurityFilterChain
• Spring Boot with Kubernetes Issue
• Making an object that can be various types?
• Does anyone know how to solve it?
• Transforming the Springboot Postgres to MySQL having some serious issues.
• java basics help
• Minecraft plugin that displays text above a player's head
• Spring Boot Web page is not loading correctly
• How to disable anonymous user in spring security 6.1+
• why does a space " " seem to break a if(scanner.next().equals(answers[i])){
• Am I using the wrong loop or the loop wrong
• java: cannot find symbol symbol: method builder()
• Best Design Approach
• N+1 Hibernate.
• i have a problem understanding nested for loops
• Increasing max stack size
• How to switch a JavaFXML project from JDK 22 to Java SE 8?
• unable to import Gson java dependency to my Maven JavaFXML Project
• Type Handler Issue in MyBatis of Spring Boot
• Unable to build a JavaFX code on NetBeans 17
• Display an Image in a New Dialog When a User Enters a Keyword
• Mockito: mockStatic is underfined
• I would like to know what is the name of a theme that's used in this picture
• I have a configuration in my Spring that includes a logging level:
• set settings
• Gradle H2 issue with MSSQLServer Mode
• Memory Leak Help
• Error when running .jar on Raspberry Pi
• Loom, Postgres, Hikari
• Hey guys,
• SpringBoot missing certain fields on auto generated repository
• Can someone please explain to me how this works
• SPRING BOOT vs VERT.X
• Compiling class file to Jar always fails
• Adding to unicode
• countDigits I need help
• Weird Error when running/calling FATJar
• need help to import pdfbox using gradle
• Problem Accessing yml elements using java for minecraft
• Create and push docker file and deploy project to render.com
• New to JSP and Servlet - Struggling with database
• Using singleton pattern at a request level basis
• I am completely new
• Connecting to my MongoDB Database
• can smb explain what is the difference between bitwise and logical operators?
• Graduation year project
• My vs code wont run!
• Eclipse MAT - Remove Self-Referential Inbounds
• Java with Maven Projects not creating jar files
• com.google.gson.JsonIOException: Failed making field
• How to create custom login route in Spring?
• when i am starting as springboot application on eclipse it is working fine but when i am running th
• Looking for Tips, Advice and Resources for Project Management with Java and Gradle
• algorithims in java
• Program Randomly Quitting After Font.createFont() statement
• Unpacking packed int
• Maven Archetype Catalog
• Detecting only the first letter in a scanner
• Docker Issue in Spring Boot with Couchbase
• How to connect the first screen and the second screen by clicking the Button (Jouer)?(NetBeans JAVA)
• How do I handle an assignment like this folder structure wise?
• Good source to study threading for newer JDK releases(17 and greater)
• I am trying to create a simple java project Student Management System
• Regarding career growth in java
• IntelliJ or Visual Studio Supporting Java
• Career Options In java
• Error in remove Node method in Java
• Hey guys,
• Spring Boot SAML2 with Microsoft ADFS
• LWJGL missing EGL .dll
• VSCode and RedHat Java: wrong JDK for gradle tasks
• Math in Java. What a struggle. Help. Please. Fast.
• Pls help. No operator is defined in streaming topology. Cannot execute.
• Spring sessions with Redis
• I want to learn Springboot and webflux, need best resources recommendation
• Two Sum Problem on leetcode
• Springboot post method issue
• Study guide
• ResponseEntity incorrectly maps values
• JSON Schema Validator with message option
• Flow chart to Java.
• Need help obfuscating project
• AVL trees
• unable to locate png from location on pc
• Unable to catch MethodArgumentTypeMismatchException on doFilter()
• Adding character/s to a string has two different variations.
• My code will only return the perameter
• Testing Framework in Java
• #StartSETUP
• Game Logic
• Jackson Mapper - String[] conversion possible?
• Error Handling with try and while
• Guys, is there anyone here who can help me find the spawnrate of structures in a Minecraft .jar file
• How to find generics when running a java process
• OpenAI API
• Java Swing window not showing
• AWT window coordinate system
• How do I keep a class available to unload while keeping a MethodHandles.Lookup of it?
• Need Help with java ASCII art - can anyone try this and then talk me through it. Please and Thanks:D
• Removing roll from camera matrix
• Deploying my java app to VPS with Github actions and Dockerization
• How do I write a unit test for an in order traversal of a binary tree
• Project obfuscation
• Hey, I have a problem with Junit, can someone help me with the code ?
• Creating a gradle plugin for a custom JVM language
• Bypass SQLRestriction to achieve SoftDelete with "hard delete"
• Spring Boot with Couchbase running as TestContainer Issue
• java fx and java question
• Doubt in hibernate
• Compiling manually via CMD
• Populate Spring Data JPA before each @Test
• Best modern resources for new Sprint Boot project
• help with opening an Http server with java
• problem here
• Parabola elements calculator
• what would relative path be if im building a maven library that will create a txt file and read/writ
• SonarQube not finding junit xml files.
• Transforming a complicated Java object to JSON
• Setting up a new spring boot application and running into an issue only in deployed env
• Hi im so close to finishing my code and i just need help tweaking the last bits - beginner level
• synchronization or semaphores to be specific
• My file reader and Writer not working.
• Gradle failed at start of project
• I'm at the class making GradeComputation in Netbeans
• Game Collaboration/Redirects Issue
• JFrame action listener
• MYSQL Connector Driver Issue
• printing area's of an array on different lines depending on section
• how do I generate POJOs from XSD without XML annotations?
• how to properly config my application logging?
• Setting up maven build cache extension
• Hi, could someone help me respect this error? It's haunting me
• How to include a thymeleaf template into another one, to include header, footer etc
• Selection Sort
• I set incrment to be 10, and I set initial value to be 100 but its not working, did it with hibernat
• Starting a RSPS for me and my friends
• Gradle, Ebean: Service loader didn't find a SpiContainerFactory?
• How to 'persist' lists of object inside an object?
• Learning Spring and Spring Boot framework
• How would I have a thread wait on a lambda?
• How to test for I/O failure?
• IntelliJ IDEA doesn't allow editing.
• How to find the biggest island in the file
• Module Not Found, when doing "mvn clean install"
• Fabric Mod not running externally, but running fine through loom's runClient
• How to create custom id generator for primary key in springboot
• I need help with my crafting not working
• How to choose between using @Enumerated and a converter ? or @PostLoad and @PrePersist ?
• MYSQL Connector Driver Issue
• Error: Could not find or load main class
• What is the best way to get better at java?
• problem in creation of extend class
• I dont know anything about java, why wont this let me install NeoForge?
• help with JDK installation
• Enable live reload with Spring Boot devtools
• Need help with this error in vscodium
• issue with maven server, cant find anything on it online
• Java constructors
• Syntax questions
• Help a newbie
• dice
• Figuring out path to resources in built jar
• How to organize build.gradle files and class structure in gradle project?
• Need help converting Java file to Class.
• Need help with GUI (swing)
• I am getting TLE in Leetcode on question 29. Please help me optimize.
• MapStruct updater not compiling properly
• Hi, I am having trouble in java with a project. Need help.
• Any java window I open does really weird stuff
• Preferences and Suggestions on when to use Java or Kotlin?
• Override Java awt repaint system (or at least make a paint listener)
• Expected Identifier
• Drawing a JPanel to a BufferedImage, unexpected results
• I have some doughts in implementation of linked list the doughts are written in comment /close
• Problem with an app
• Problem with an app
• IntelliJ debugger -- seeing variable values in variables pane
• Optimizing draw function for texured triangle
• Java Multi-Level Scheduler Simulation
• Issue with Java Servlet not finding classes
• handling lost update problem happening with one thread updating a resource at a time
• [JAVA - BEGINEER] Need to press ENTER twice to get the program to output everything
• Homework help for effecting elements in methods
• [Sping Boot/Mockito/Junit] Lombok Coverege testing
• Custom Method to get Token to be provided with OpenFeign proxy requests
• Declaring isEmpty() and searchString() methods?
• button way too tall
• [ GITHUB ]Contrib graph not working
• Architectural Design suggestions on GUI Applications
• (Perhaps offtopic) Tell me about play framework
• Synchronized,Some things avoid conflicts, like using multithreading??
• Help regarding auto seeding of db tables from the auto generated schema
• help making a level editor
• having issues with Cannot invoke "java.util.ArrayList.size()" because "this.listOfMicronutrients" is
• error in syntax
• Module not found when running tests in Maven
• isInteger will not seem to work
• Deploying Spring Boot application with Stomp over WSS using nginx
• Enums, mutable fields
• how do do this
• SQLite driver not found with OrmLite
• Set up Jersey Rest Api in Eclipse
• Need help with @JsonManagedReference and @JsonBackReference
• Pipe data in POST-Controller with dynamically created th:name's (Spring Web, Thymeleaf)
• In the bitwise compliment operator there is confusion. Please help if you can.
• Comparing strings problem
• Help with checksum
• Java agent throws UnsupportedClassVersionError when Instrumentation#retransformClasses is called.
• I am in highschool and need help with creating a basic program about textfiles ;D
• New to Java and Ready to Collaborate!
• can someone help me with the hotel management system project
• Implementing OOP!
• Discord bot code react to image
• Warning when pushing to a new git repo
• Need help with fixing bug of ball not moving
• #
• "Encoded password does not look like BCrypt" when trying to enter Swagger.
• Karavan & AtlasMap Integration Help
• Soap request gives me 404 and "No endpoint mapping" even if everything is correct
• PostGIS distance calculation gives in-accurate results
• How do I reduce Spring Boot's docker image size?
• How do I make the Tbank object be saved if I mean the wrong password when I restart the program
• mcp intellij idea
• what code I'll write?
• Do you have to override polymorphism
• recursion
• Paste functionality in Java
• spring course
• PROCESS FAILED:The system cannot find the file specified
• I've created 1 client server, but everytime I'm exiting the server I can't connect anymore
• I am having trouble getting to recognize overlapping appointments for a code I am doing
• ButtenImage not working well
• Hello Guys can someone helpme out with error that i am getting
• hello guys can anyone help me with the error i am getting in VS code
• No endpoint mapping found for [SaajSoapMessage idcheck]
• i am a beginner and i need to create a a triangle out of rects with a for loop, im not quite sure
• Need help with connecting Azurite to Java Azure SDK .
• Simple example showing Virtual vs Physical ("Platform"?) threads & Concurrent/Parallel programming?
• Java Expception after building project
• can any one tell me how to run jenkins code locally as i want to modify some functionalities.
• java variables need to have the same name like in SOAP request?
• Spring(Boot) Security preauthorize auth return 200 on "false" instead of 403
• soap request give me 400 bad request
• Creating an object of an entire class?
• ERROR 404 TOMCAT AND JAVA EE
• 500 Internal Error
• Variable not initialised?
• Simple user input capitalisation issue
• What do you recommend for learning Spring / Spring Boot?
• Convert boolean inside if statement
• fix code :)
• java class renamer
• java class renamer
• .length issue
• Urgent help in a simple cybersecurity project
• I'm rather worried of losing motivation...is there anything I can do for this?
• Help for revisiting Java
• Java Devlopment Suggestion
• Personal-finance app dividing into class
• Where does Spring's HttpServiceProxyFactory create the client proxy implementation?
• Java Processing, how do I flip a PImage?
• Switch to Java and Spring Boot for backend development.
• homework please help easy
• how to find WSDL file location in my SOAP webservice?
• Help
• urgent help
• Need Study Buddies for learning java from scratch.
• hello
• Correct Sintax for JOptionPane
• Packaging maven submodules
• Get method name within an annotation dinamically
• Testcontainers and application-test.yml
• Urgent, help me!
• JPA When Primary Key Not Id
• JavaServer faces
• Spring gRPC Contexts don't work as expected
• jpa and postgresql
• jar to exe?
• /help ping
• Java Help Need
• Simple Infinite loop help
• CNN for 1x8x8 Matrix outputs weird values?
• Explain the flow of google auth in spring boot
• Help with ArrayIndexOutOfBoundsException but no ArrayList allowed
• help with detailinfo
• Creating a javadoc
• Deleting Error
• Ping Controller is not accessible
• Am I supposed to making a Java class or interface file type?
• Exception CNN neural network with java
• Cannot host Spring web app war on Tomcat using Jenkins plugin
• WebSecurityConfig in java spring app doesnt work
• I am getting an error when on my workspace in eclipse
• Weird issue that gets solved by wrapping it in a try/catch but it never gets caught
• Spring Security and OAuth 2 learning difficulties
• Jetty base resource help
• How do I use the results of an action?
• Im trying to create an ArrayList of LinkedLists.
• Practice on an off day
• What do the modifiers of classes do?
• Regex on `finalName`
• Selective finalNames in Maven?
• Maven and Git?
• need someone to look over my code
• Cannot make static reference in non-static field
• Spring Boot - PrePersist and PreUpdate for Couchbase
• Package Error in VS Code
• what password to enter when doing git push?
• tracing table help
• homework help
• Jenkins build step doesn't execute as it should.
• mvn clean install is failing . Need help
• set up a grpc client on java springboot application
• Error loading image (?)
• How to secure apis using JWT in Spring Boot?
• what does this mean
• how to enable basic auth in java spring app?
• How do I build grade in this project?
• help
• my entire code is burning red, im trying to just add an item (im new coding)
• Download a file with its given name
• This is about the Discor Bot, why can't I call Activity.Timestamps
• GETTERS AND SETTERS
• My tests are being ignored in IntelliJ.
• Asyncronous task queue
• prepping for an exam, new to java & might need help understanding some stuff
• system doesn´t end once I enter -1 in the console how can I change that
• Need help fast pls (minecraft code)
• Need help w init kafka consumer (have an error w listenner)
• [Spring] Should I have a custom Objectmapper as a static attribute in my service class?
• Gradle & Java Version
• scanner blocking thread close
• PMD Java source analyzer insights in code insights section
• i need help for my code
• Java Hibernate with Negative Enums
• Is this command correct? If not, can you send it to me or tell me about it?plz
• Beginner to Java - Help
• I don't understand how to properly call them Module??
• Problems with dates
• attribute not being set.
• Public class error
• Handling Race condition
• keeping track of clients connected to server
• how to test my scheduled methods locally?
• how to properly update spring version?
• Spring Boot Oauth Login error
• Spring Boot Google OAuth error
• No response.
• I want to understand the need of keys in JPA (beginner)
• Why do I need the abs method
• Rock paper scissor
• Kerberos, SSO authentication doubt
• What is inherited from ?
• I try to write JUnit integration test and to test whether service method works well. It isn't.
• Cants seem to get java to recognize a text file.
• Total price program
• Beginners doubt on JPA entity foreign mapping
• how to return multiple objects in SOAP webservice?
• what data type to use for storing ids?
• spring logging error
• exception handling in SOAP webservices
• SOAP service returns 404
• Any ideas how to render images in console?
• Adding post and then fetching doesn't work in spring
• trying to get an array of every pixel of an image, why is it not working???
• Code saying index out of bounds but it shouldnt be
• io.ktor.http.BadContentTypeFormatException: Bad Content-Type format: content-type: application/json
• Huge WSDL produce a jdk.internal.org.objectweb.asm.MethodTooLargeException
• Getting 500 error instead of 400 and 409
• Spring Boot Cache - Cannot Get the value
• Anyone can help with ktor?
• convert n-tree to dictionary based on depth
• JavaParser help
• isometric tile setup
• how to validate three similar objects that come into my controller?
• formulate JPA method to update column
• Converting library to maven package
• Thymeleaf / Loading image from DTO
• how to fix my WSDL file for SOAP service?
• i keep getting error "Attribute value must be constant". can smb help me out?
• JWT Authentication with SpringBoot
• Weird class cast behavior
• Funny thing happening in JavaFX
• Spring Value annotation not working everywhere
• Publishing to Maven Central Repository
• Repositioning objects to stay in the same position relative to each other when rotated.
• how do I read source code, and is it possible to learn java from reading source code?
• how to create SOAP webservice?
• java 17 obfuscator
• how to call my application that is running on a server?
• chrome driver
• How to make spring boot @Value fields inject the values from properties?
• Drawing SVG paths in javafx css
• Exception Handling in Spring
• RequestParam / User Not Found
• Suggest kotlin/java backend framework
• Why/how is displayMap null
• Issue with multimodule project
• Render dynamic dayas / Status 400
• best way to insert JSON object into DB table?
• how to check if record exists in DB table?
• SPRING: validation returning error 500 instead of 400
• service deletes DB records, but i still get `No results were returned by the query`
• apache Mina sshd
• How do I use UserDetailsService properly? Where do I define it exactly?
• Spring app doesn't read environmental variables from .env
• RestApi Access Problem
• Spring Boot Security / Request = 500
• why use Optional<MyClass> if you cant call any methods that MyClass has?
• how to convert long to int
• Mocking fails for some reason
• dependency isnt injected into my service
• Failing test under misterious circumstances
• Trying to load a Font from resources throws a BufferUnderflowException
• some help needed with fixing circular dependencies
• do i need to return DTO from my controller when handling errors?
• Spring Boot Microservices with JWT Issues
• Help with Lombok
• Spring Boot @Mapping gives no read accessor error
• Why it doesn't draw the image?
• how to properly handle case when theres no records in the db table?
• Spring JPA
• Why I get this error?
• Java Mail Sender
• When vThreads in Eclipse
• return only http status from the controller
• How to add blank lines to the end of a Document?
• How to connect Java server to node.js?
• Custom AuthenticationFailureHandler
• column "client_id" of relation "payments" does not exist
• help with custom validator
• How do you understand this code, BinarySearch Delete
• Text color not changing
• generate DB record id in the DB and not in java
• Runtime not runtiming
• Is there any way to fix this Binary Search Algorithm?
• Not sure what even is the problem
• Same Tree LeetCode
• Oauth Authorization
• how to set up endpoint for my soap webservice?
• how to use xsd file?
• memory address search
• Need help w Config Server (SpringBoot)!!!
• do i need to use `starter web services` dependency if i already have `starter web`?
• What do y'all use for frontend with spring?
• Bean Initialization Error
• Ecplise Project Issue
• Styling tabpane in javafx
• Saving User
• Pushing Java Code
• DTO
• Spring Security
• Use a Class for a generic type?
• InvocationTargetException using JCI
• Data Structure And Algorithms
• Maven semantic versioning
• JSON RESPONSE ERROR
• how to make airpod like system
• Jackson ignores private fields
• Spring Security Filters
• Recommendation to store permissions
• Spring Security
• Implementing async file watching
• Hibernate Mapping
• Hibernate is Not Creating Tables
• Spring Security Implementation
• Spring JPA Error
• Jackson Json overwrites json values when reading from it
• Spring Boot Error
• Switch from commons-fileupload to commons-fileupload-jakarta-servlet6
• Spring Security
• how to manage two ssl certs in my spring app?
• Spring Security
• Spiring bean scope related query
• how to use two separate SSL certs when my app calls different endpoints?
• jackson json question
• couldnt resolve placeholder from the config
• how to use resource in resourceloader?
• Gradle Translation
• better ways to load xml as a string?
• Java Rest API
• Force install dependency.
• Update Error In Spring MVC
• Spring JDBC
• onMouseClicked event doesnt do anything
• Gradle shade not shading in one operating system, but does in another
• Spring MVC
• How to access authenticated user/authentication object on react frontend after logging in?
• Implementing Desmos Function into Java
• I cant figure out how to rename a file.
• Java Spring Help regarding @AutoWired
• Spring JDBC
• Can anyone fact check to understand my code's time complexity which was genearated by AI
• java
• Trying to implement CSRF protection with Spring Security and React frontend
• Need help setting up CSRF on spring backend with a react frontend
• how to use login credentials for spring app in postman?
• JWT return Dto. Login and Register REST Endpoints
• Spring MVC
• DionysisT
• Apache Mina SSHD server
• Will Pay for Help
• where do config values come from?
• what the hell is model and why controller returns random string?
• Spring MVC checking user password
• Binary search experimental way
• how to store XML if i want to change its values in my service?
• Spring MVC Static files
• using String to represent date
• Richardson Mapping With Spring Security
• Apache Mina weird session behaviour
• Session not being created after explicitly authenticating user in spring security
• Autocomplete not working
• ZonedDateTime parse issue
• how to make my controller accept XML body?
• how to find my project's classpath?
• Apache Mina
• Spring MVC Suggestion
• Injecting objects into custom controls FXML
• started getting Class Not Found Exception randomly
• how to use RFC1123 date in http header?
• ClassNotFoundException
• Detail: Key columns "document_number" and "document_number" are of incompatible types: character var
• what is my classpath?
• Java mina sshd
• Maturity level rest
• Maven multiple parents for project
• Netty docu?
• Is this good composition class ?
• whats the purpose of DTOs?
• Spring MVC
• Getting Error While Using The Spring MVC with orm
• Spring MVC
• Help decoupling a presenter class in multiple classes
• Is it good practice to have 2 DTO's. one for database, one for application.
• Classloader that has higher priority than parent
• I am getting java.nio.file.NoSuchFileException.
• Should I decouple my presenter in multiple ones ?
• Help improving this code
• JFX component from other components
• How could I simplify this
• JUnit, can I create an EntityManager or even a session without running the server?
• HELP HANDLING ERRORS IN MVP
• Java send data through serverSocket
• JavaFX menubar/contextmenu weird borders
• Help Project MVP Layout
• Java printwriter issues
• Help optimize this dijkstra algorithm:
• Loading Resources with absolute path from Classpath
• Completely new to Java & Coding I need help learning
• Help implementing DJIKSTRA ALGORITHM
• Heyy Can Anyone Help I am Not Getting the run on server option in Spring Tool Suite .. and My Server
• Listener server for remote application
• How can I do this MVP model view presenter
• Can anyone explain this error message
• What is the benefit of using the Singleton pattern like this:
• Would this Validation System work?
• need help adding reduce/remove handlers to this
• HELP WITH getClass() method
• Problem w Validation Spring
• Help understanding this code:
• Can't build the project "Artifacts builder: Archive doesn't contain files so it won't be created"
• SIMPLE RECURSIVE QUESTION
• Best libary for a telnet server?
• Problems with sql
• timer already canceled
• Java threads question (interrupted(), interrupt())
• Problem w Repository Spring
• JSONArray
• Couldn't understand what this para on interceptor lifecyle callback
• problem run and making .jj file
• Help to define Jsonfactory
• Changing Icon of Application in IntelliJ with Java Swing on MacOS
• Filling array with same object reference
• Where to learn Java from as a complete beginner?
• Build jar from maven project on github
• Annotations - interface as attribute type
• Cannot start the backup Spring project
• open .form file
• ByteBuddy - defining the intercepting syntax
• Java .properties read Strings with the same name
• Java Swing Apple Music Clone Help
• PreparedStatement POST request?
• Have problem w server connection Spring
• How to change one system property without code or from command line
• question about Spring MVC
• Anybody have experience with connecting a JavaScript game to a java server?
• IntelliJ source code question
• Custom Auth filter not being invoked in spring security
• need help w annotation spring core
• RSTA & FlatLaf together
• How to make a Java server interact with a JS game
• Website 3tier architecture with spring boot
• Calculate a date in the future with current date and amount of days given
• Reading lines in a file, but not terminating
• Calculate amount of time between 2 dates
• consume external API
• java.lang.NoSuchFieldError: UUID
• What to do, the steps, the guides on configuring the Glassfish server with MySQL Dataresource
• Logical issue in while loop?
• Live only exception with jaxb
• How to convert from .pem to .p12
• (Possibly solved) Automatic Config Saver parameterized gson cast problem
• java question
• Load image file into int[]
• regex pattern
• Maven weird behaviour
• Maven issues
• Cannot understand this behaviour of java when adding a list to a list of lists.
• SQL table not being selected properly?
• .config file for Java application?
• LWJG He won't fuck up on the way
• Spring MVC issue
• I deploy my app to google cloud platform (java spring)
• I don't understand where I need to type
• Eclipse Problem
• Spring Boot Guide
• Repository bean not found for service implementation
• Can not determine cause of failure
• Java Backend
• HQL not working. Gives strange Exception in console.
• Under what conditions is Off-Heap memory worth it?
• Spring & Kafka?
• maven-plugin-plugin doesn't package plugin descriptor in jar file
• Help with Gradle
• JNI C++ OpenGL Window Crash
• Automatically search for files without knowing the filepath of the program?
• driver installation issue
• Failed to run SB using Eclipse IDE run command using environment variables in application properties
• JS Help
• Using JShell class in JDK
• Java Socket NIO Reading Issue
• Spring Boot
• Making 2 flavors of a jar
• Beginner to the java,servlets and eclipse
• Reading resource file issue
• if statement problem
• HQL very slow
• Practice problem with arrays issue
• Java byte questions
• Quick Help with FileWatcher
• SQL Exception when running Minecraft plugin
• Console Application
• Json file not having everything
• Spring Security - Cannot run logout Integration Test returns 404
• Problems with an ArrayIndexOutOfBoundsException
• cant build javafx project
• Compile error web module (war), cannot find symbol but the other class didn't show any error
• dettaching process from parent
• missing command output
• SQL Issue
• Gson cannot be resolved to a type error randomly started appearing
• Java Swing MouseListener issue
• "The method run() is undefined for the type Object"
• Beginner: Can you call methods like this?
• Beginner problem - incompatible types: possible lossy conversion from double to int
• Cannot set any value LocalDateTime in Entity of Spring Boot Example
• Get annotation value without knowing the class of the annotation
• Trying to set an object into a EJB Bean array from a remote app.
• Help with sending a packet
• Gradle project build order
• Cannot set any value LocalDateTime in Entity of Spring Boot Example
• Request to the servlet not working after changing project groupid in multi module project
• Collision Between Non Axis Aligned Quadrilateral Hitboxes
• Issue While Opening The Tomcat Server
• Gradle telling me smth is bad in my code
• Get progress of int between two other ints.
• JOGL glUniform4fv issue
• API Connection :
• Jsp and Servlets
• Get list of all loaded classes
• Need help with handling disconnects on my socket server.
• Method repeating issue
• Question about sharing a project with authentication
• Need help with sockets!
• Spring Boot Mail not sending attachments
• Fastest Way to search for something in big data
• PNG with white background but 0 alpha
• modules randomly stopped working on intelliJ
• HashSet.contains not working as expected?
• Frontend and Back-end
• How do I append text to a JTextPane?
• How can I build my own webserver in kotlin/java?
• Typescript
• OpenGL Occlusion Culling?
• Please explain what is this project is about (Multi Module Java Project)?
• JOGL Model Issues
• Swagger 2 is not launching. Keep getting 401 Unauthorized error
• How would I listen for keypresses in a window?
• Looking for JOGL VAO/VBO Tutorial
• How to get array info from column in Spring Boot JPA (exception Dialect mapping for JDBC type Error)
• any help to understand the generics?
• Concurrent ArrayList read/write
• FlappyBird Game
• Java AWT Move mouse automatically without triggering MouseMotionListener
• Connect LWJGL to JComponent?
• return string that gets put in the text in a scene builder text label
• Spring boot jpa envers metadata
• How to use Remapper?
• Non-interruptible thread sleeping
• Help with "Spreadsheet"
• OpenAPI-Swagger webflux Spring boot 3
• Reactive Repository MongoDB not finding methods
• Files.readAllLines() throws an exception every time.
• Shadow jar build error
• Connection Error between Spring Boot and MySQL :
• Connection error between Spring boot and MySQL
• Eclipse Problem
• Bytecode manipulation
• Exclude files from jar intellij
• javafx fxml file not found
• How would I compare HashMap keys with .equals() instead of ==?
• how to validate if method argument belongs to a list of strings
• javax.sound.sampled cannot change volume of clip (part 2, closed before properly testing)
• how to properly validate http request params?
• how to get records from DB on multiple conditions?
• Jsp and Servelets Or Spring boot
• How to live update chat screen when a new chat is entered to the ChatHistory context (Static list)
• javax.sound.sampled cannot change volume of clip
• Cannot add openJFX to project "too many module declarations found"
• Cannot find RElative resize on a previewous working project
• Best Career Among Them ..
• gson really doesn't like my class, does anyone know why?
• Popup.hide() doing absolutely nothing
• how to do proper data validation in service? using enum in if condition? and other questions
• why do i need getter for my entity class?
• what to return from my controller?
• Adding file to jar file before build finishes
• Do I have a possibility to use Flyweight Pattern for this scenario
• Using Spring Boot Data JPA without Spring
• RMI calls in CompletableFuture stream
• my controller cant accept query params
• spring doesnt see my repo class as a bean
• String to Json turning ' to unicode
• Best IDE For Servlet And Jsp
• How do I input longs
• how to implement retrieval of DB records by two params?
• DI in Spring
• Supplier alternative
• How to properly call my api and how to store and manage my data?
• /help
• Package 'net.typho.pnegative.resources' clashes with class of same name?
• /help
• Not Able To Make a Java Class in Intellij
• cant use @Service annoation
• how to use super to access superclass fields?
• Interpreter Design pattern
• Unable to get height
• Get Application Scale
• why i cant access field in child class when using inheritance?
• what does the constructor return?
• Help projecting a rect onto a quad
• Why is this lambda illegal?
• what is the actual difference between map() and flatMap()?
• how to read and understand the map() method signature?
• Foreign API interop with C++
• Frontend and Back-end
• Swing paint method not getting called
• Make JavaFX Image Nearest Neighbor (every frame, multiple times per frame)
• Please Guide Me
• I want to dive deeper into internals of object creation and storing. Any guidance?
• Gradle before compile step
• Parsing the JSON
• Http Client
• Why doesn't my console show the commands that Hibernate executed. I have hibernate installed.show_sq
• Flappy Bird
• How to use StringBuilder to concat strings propperly?
• OS control
• I Want to Become A Full Stack Web Developer
• How To Call a Rest API In Java
• Project Ideas
• I have Created a Tic tac toe game a also made a player record GUI where it takes the 2 players data
• What is necessary for creating a gps like app?
• Error Launch
• Unable to get list of list.
• Mediator Pattern Code How does this code actually built because it's not actually straight forward
• Error [23514] ERROR: new row for relation "movie" violates check constraint "movie_year_of_product
• /help
• /help
• Flyweight pattern how to use this FactoryFlyweight
• Chain of Responsibility Java
• Advanced Java material to get better?
• Which methods are being used as an abstract method for functional interface?
• Make array container classes behave like ArrayList
• /help
• /help
• Spring Boot with Kubernetes Java Client API - Edit Namespace
• How do you use random for a limit of numbers in JAVA
• /help
• How to Make JavaFX Image Pixel-Perfect
• Database Connection Pooling
• /help
• /help
• /help
• /help
• /help
• Why the code that has been written correctly come out error!
• io netty help
• my vs code setting has been changed !!!
• Help with registration system
• /help
• Type Parameter Issues
• i dont understand
• need help with hava
• Centering JPanel in Swing
• cannot resolve symbol "OptionsValue".
• Issue with asynchronous nature of volley calls
• how do I figure out what to import
• Why is everything marked green and I can't call methods quickly. How do I fix this if I need a plugi
• Eclipse IDE cannot resolve to a type. All values.
• Feedback on my Registration System
• better swing editor
• Weird issue while reading XML
• Server mocking framework: Load a plugin that already has been loaded before unit test. Impossible?
• what’s the difference between these two pieces of code?
• /help
• I was doing a coding exercise and I’m really confused on how this line of code would work
• what’s the point of the this. keyword in Java?
• JavaFX Window Icon Not Stacking in Taskbar
• How to use OAuth2 in Spring Cloud Gateway as a best practise
• Changing primary display with Java
• JavaFX dialogs internationalization
• Gradle Dependencies issue
• Communicating between multiple Controllers JavaFX FXML
• Apply texture pack in forge
• Is it a bad practice to have multiple entities for the same table?
• Spring Cloud OAuth2 with Kubernetes
• Issue with gradle multi modules
• Spring Cloud with OAuth2 in Kubernetes
• springframework.validation.BindException: Date
• How does KeyListener work?
• Java Date Parsing from String with Timezone
• Memory Usage Comparison
• VSCode not finding files
• Are variables objects?
• Thymeleaf Iteration with buttons, every button onclick gets called simultaniosly
• Spring + Thymeleaf Datapicker onChange
• Looking for help in java Test
• Creating a REST API with oracledb
• Check for a specific generic type
• Include test code in another module
• Spring Post request without returning Template
• Spring RequestParam
• How to sort a list out of objects by an int property of the objects
• Is it correct sql query inside jpa repository interface method annotation?
• downloading .zip from a link
• Maven deploy to gitlab package repo
• Java 1.8 ASM modified code throws NoSuchFieldError
• Generating normal and chainable Setters with Lombok
• Gradle PreferencesFX does something weird
• Copying resource file into directory before compile
• Creating a Java Unit test vectoraddition
• Junit test calling upon variable from a different class's method
• JUnit Test confusion
• some questions of optimisation
• Hello, i have a problem with this error and i don't know the problem :/ can someone help me pls ?
• Custom Collector
• Difference between <?> and <L>
• Error when using CustomStage with java 17 and openjfx 17
• Getting Slf4J error in SpringBoot
• Cannot get inputStream from web url. Why?
• MediaPlayer question
• ASM : Return a value
• Synchronizing threads across different modules
• Why new entity is saved with null field value when annotation tells that the value cannot be null?
• Object sequential searching using compareTo()
• java.lang.ClassNotFoundException
• Cannot detect API key from .env in my Spring Boot App
• Cannot invoke "org.springframework.data.domain.Page.getContent()" for Junit Test with the usage of S
• Error occurred during initialization of boot layerjava.lang.module.ResolutionException:
• wont read files?
• module-info.java treated as package-info.java
• next() problem
• Generic List setter ?
• integers only problem
• InputMismatchException problem
• Issue turning a node linkedlist to generic type node linkedlist (this is what I tried)
• Overlays for different maven Profiles
• JavaFX
• Name program problems
• Dangling Execution Issue
• what am i doing wrong ?
• When I run this, title is always equal to "INFO!'' and labelicon is always equal to ''info.png''
• How can I have the button be at the bottom of the screen no matter how long the text is?
• Maven dependencies
• Specify generics?
• How to write Integration Test with the usage of Bearer Token in Spring Boot (throw An Authentication
• Hashing Cookies in Redis (Spring)
• How to write Integration Test with the usage of Bearer Token in Spring Boot (throw An Authentication
• eh
• Is there a way to return a different type in a subclass method?
• Error
• Intellij is complaining about this code, not sure why
• Spring boot: unable to instantiate ConstraintValidator: Unsatisfied dependency
• Spring Boot MVC: validate a multipart/form-data RequestBody
• project for pay
• project help for pay
• Problem with Forge 1.19.2 Minecraft Modding
• learning graphics problem
• Hibernate doesn't save a list of authorities of a user to table as separate rows. It saves only one.
• SpringBoot List Validation
• I am trying to get the index of the lowest value in a array/ArrayList. How do I do this?
• trouble with project willing to pay
• BigDecimal rounding standards on currency
• Why does one error and not the other?
• Spring Boot Request Body
• maven and Java incompatible version
• Selecting multiple images
• error: cannot access il; class file for il not found.
• Adding ancient dependency to maven.
• Java Spring Security Cors error
• Implement interface from main in test
• Arrays.toString() not working?
• question about second for loop
• Should I be storing dates in utc?
• Interface
• What is returning false?
• Fetch all records from endpoint works but it's very slow.
• Is there anything I'm missing?
• com.google.zxing.NotFoundException Spring Boot QR Code Example JUnit Tests
• remove spaces from string
• Cannot send requestbody and Multipartfile in Controller of Spring Boot from Postman
• Having trouble with this excercise on consuming tokens I am trying studying
• LocaleDate
• CI Test Coverage Not Running
• How can I open a .pyw file in java?
• How to read values from custom txt in Java
• Spring Boot Microservice Full authentication is required to access this resource Error
• Spring Boot Microservices - Docker throwing Resource Exception
• How should I design the architecture of a Spring Boot app?
• intellij gradle project confusion
• How do I put all required JAR files in a library folder inside the final JAR file
• Spring Boot Microservice - JUnit Test Issue. Can you help me urgently if you don't mind?
• Spring Boot Microservices JUnit Test Security Issue
• Spring Boot Cannot register user
• Spring Boot Microservice Issues
• How do you get a list of entities in JQuery if entity field property has specific column name?
• Java Stream Issue
• Java 8 Stream Calculating the total value by month
• What is an order in e-commerce application and how to control it. How is it related with user cart?
• Spring Boot Microservice- Security defined in the service always return 403
• Spring Boot Microservices JUnit Test JWT Issue
• Spring Boot Microservices JWT JUnit Test Issue
• Question about SecurityContextHolder from Spring Boot Security
• 4 lines of mayhem
• Spring Cloud API Gateway JWT Issue java.lang.ClassNotFoundException javax.xml.bind.DatatypeConverter
• Spring Cloud API Gateway Issue
• Looking for file format
• Is there a way to set the origin of a node
• De-compiler assigning boolean value to int data type
• Is this the best I can get to making a node draggable?
• what does byte[] do while unzipping file ?
• Nitrite Database
• HashMap with Objects
• Obtain Value from nested Hashtable Map
• Socket won't close after program is terminated
• image generation from 3d points
• Test
• Jason file not reading
• taglib for JSP is not working
• need help with BigDecimal rounding
• First Time Intellij User
• GameOfLife.java alive neighbors
• How do I FizzBuzz?
• How to change the origin of a node
• Third question
• Week 104 — What options are there for logging information in Java applications?
• Week 103 — How can one connect to a database using JDBC?
• Week 102 — What is the `package-info.java` file and what can be done with it?
• Week 101 — How can a directory be deleted from Java code including subdirectories and files?
• Week 100 — What's the purpose of the `transient` keyword?
• Week 99 — What is the `ReentrantReadWriteLock` class used for and how can it be used?
• Week 98 — What is an enum?
• Week 97 — What is Base64 and how can data be encoded/decoded with it?
• Week 96 — How can random numbers be generated in a Java application?
• Week 95 — How can one find all ways a `String` matches a given regex?
• Week 94 — How can one convert a datetime from one timezone to another?
• Week 93 — What are unmodifiable collections and how can these be obtained?
• Week 92 — What is a "defensive copy" and what is its purpose?
• Week 91 — What are synchronized collections and how do they differ from regular collections?
• Week 90 — What happens when running a Java program with `java -jar`?
• Week 89 — What is the purpose of the `DatagramSocket` class and how can it be used?
• Week 88 — What is Jakarta EE?
• Week 87 — What is the purpose of the `jcmd` tool?
• Week 86 — What is a heap dump and how can it be obtained from a Java application?
• Week 85 — What is the Epsilon GC?
• Week 84 — What is a JAR file?
• Week 83 — What is `AutoCloseable` and why is it useful?
• Week 82 — What is an `ExecutorService` and how can it be used?
• Week 81 — What is the purpose of the `CyclicBarrier` class and how can it be used?
• Week 80 — Which mechanisms does Java provide for comparing objects?
• Week 79 — Which options are there for packaging Java applications as native executables?
• Week 78 — What does a shutdown hook do and how can one be created?
• Week 77 — How can one create a TCP connection in a Java application?
• Week 76 — What is Java bytecode and why is it needed?
• Week 75 — What is the exit code of a program and how can exit codes be set from Java code?
• Week 74 — What are common naming conventions used in Java programs?
• Week 73 — What is a `PriorityQueue` and how does it differ from regular `Queue`s?
• Week 72 — What is a Javadoc comment and how is it different from other comments?
• Week 71 — Which garbage collectors does Java provide and what are the differences between them?
• Week 70 — How can one get the current date and time in a Java application?
• Week 69 — What is the purpose of `ArrayDeque` and how can it be used?
• Week 68 — Which mechanisms does Java provide for concatenating `String`s with other variables?
• Week 67 — What is a JEP (JDK Enhancement Proposal)?
• Week 66 — What is the purpose of the class `Lock` (in package `java.util.concurrent.locks`)?
• Week 65 — What are sequenced collections?
• Week 64 — What is a heap dump and why can it be useful?
• Week 63 — What is the `jwebserver` tool?
• Week 62 — What is a debugger?
• Week 61 — What is a stack trace and how can one read it?
• Week 60 — What is an array and how can one access its elements?
• Week 59 — What are libraries in the context of Java and how can they be used in Java programs?
• Week 58 — What is the "identity hash code" and how does it differ from other `hashCode()`s?
• Week 57 — What is special about the `toString` method?
• Week 56 — What is the unnamed package and what is special about it?
• Week 55 — What is JUnit and what is it used for?
• Week 54 — What is a functional interface?
• Week 53 — What is `java.nio.file.Files` and how does it simplify I/O?
• Week 52 — How can one interrupt threads (in Java) and why is that useful?
• Week 51 — What is `Iterable` and how does it relate to for-each/enhanced `for` loops?
• Week 50 — What is an `Executor` (from `java.util.concurrent`) and how can it be used?
• Week 49 — What is `BigInteger` and `BigDecimal`?
• Week 48 — What are `Stream`s (from `java.util.stream`) and how can they process data?
• Week 47 — What is a switch expression and how is it different from switch statements?
• Week 46 — What does the `static` keyword do in Java?
• Week 45 — What's the purpose of the `InputStream` and `OutputStream` classes?
• Week 44 — What does "type erasure" refer to?
• Week 43 — What is a virtual thread and how is it different from a platform thread?
• Week 42 — What is a `sealed` class or interface?
• Week 41 — What is the purpose of the `Error` class and how is it different from `Exception`?
• Week 40 — What is instanceof patternmatching and how can it be used?
• Week 39 — What is the difference between JRE and JDK
• Week 38 — How can one make an HTTP request in a Java application?
• Week 37 — What is the `java.time` API and how can it be used?
• Week 36 — What is a regex and how can it be used in Java?
• Week 35 — What are some differences between JavaFX and Swing?
• Week 34 — How would one implement a binary search algorithm?
• Week 33 — What would be a possible way to restart a java application?
• Week 32 — What is a Queue / Deque?
• Week 31 — What are build tools and which problem do they solve?
• Week 30 — What is required to make a JAR file executable? (Starts on double click)
• Week 29 — What is a "Format String", and how do you use one?
• Week 28 — What is the difference between abstract classes and interfaces in Java?
• Week 27 — What does "write once, run anywhere" refer to in Java?
• Week 26 — Where are the possible use cases for Java on microsystems?
• Week 25 — What is a garbage collector and why do we use them?
• Week 24 — What is the `RuntimeMXBean? in Java?
• Week 23 — What is the Java's `Runtime` class and what does it do?
• Week 22 — What is method chaining?
• Week 21 — What is the builder pattern in java and how does it work?
• Week 20 — What Is the volatile keyword in java?
• Week 19 — What are annotations in Java and how can one use them?
• Week 18 — What is the native keyword in Java?
• Week 17 — What are the differences between int and Integer in Java
• Week 16 — What is StringBuilder class in Java, and what are it's possible uses
• Week 15 — What are Varargs in Java?
• Week 14 — What are records in Java
• Week 13 — What is the purpose of the final keyword?
• Week 12 — What is an Exception?
• Week 11 — What are the difference (and similarities) between Set, List & Map?
• Week 10 — What are the main uses of the super keyword?
• Week 9 — What is the (purpose of the) Scanner class?
• Week 8 — How would you implement the insert sort sorting algorithm in Java?
• Week 7 — What is meant by polymorphism?
• Week 6 — What is the object-oriented paradigm?
• Week 5 — What are method handles?
• Week 4 — What is meant by recursion?
• Week 3 — What is constructor chaining?
• Week 2 — What is meant by serialization?