This article demonstrates how IntelliJ IDEA’s F2, Alt+Enter, and Shift+Alt+Enter shortcuts can quickly locate errors or optimization opportunities in Java code, offering step‑by‑step examples and animated GIFs that illustrate the refactoring process for cleaner, more elegant code.
This guide walks through downloading the RocketMQ source, importing it into IntelliJ IDEA, configuring ROCKETMQ_HOME, adjusting configuration files, launching the NameServer and Broker, and testing message production and consumption to establish a complete local debugging environment.
This guide walks you through fifteen indispensable IntelliJ IDEA plugins and configuration tweaks—ranging from smart code completion and shortcut hints to code quality checks and UI customizations—that together can dramatically accelerate Java development and streamline daily coding tasks.
This article introduces the Alibaba Java Coding Guidelines plugin for IntelliJ IDEA, explains its rule set and detection modes, and provides step‑by‑step instructions for installing and using the plugin to automatically enforce coding standards in Java projects.
BetterIntelliJ, a plugin that falsely promises to crack IntelliJ IDEA until 2099, has been exposed as malware; JetBrains warns users to stop sharing it and provides a simple three‑step guide to uninstall the dangerous plugin from the IDE.
This article introduces four powerful IntelliJ IDEA debugging techniques—log evaluation at breakpoints, field breakpoints, exception breakpoints, and method breakpoints—providing step‑by‑step instructions, code examples, and screenshots to help Java developers debug more efficiently without cluttering their code with temporary prints.
This tutorial explains how to install Docker, configure remote access, create a Spring Boot project in IntelliJ IDEA, add Dockerfile and Maven settings, build a Docker image, run the container, and verify the application through a browser and log inspection.
IntelliJ IDEA's Stream Trace feature allows developers to visualize each step of Java Stream operations during debugging, showing element counts, intermediate results, and object details, with split and flat modes, demonstrated through a sample code that filters strings by length.
This tutorial demonstrates how to leverage IntelliJ IDEA's diagram feature to view, filter, and explore inheritance and interface implementation relationships of Java Servlet classes, including customizing the diagram, inspecting class members, and navigating source code directly from the visual representation.
This article demonstrates how to use IntelliJ IDEA's diagram feature to view, clean up, and explore the inheritance and interface implementation relationships of Java Servlet classes, including tips for filtering classes, inspecting members, zooming, and adding additional classes to the diagram.
This article demonstrates how to leverage IntelliJ IDEA's diagram feature to clearly view, customize, and explore the inheritance and interface implementation hierarchy of Java Servlet classes, including removing irrelevant nodes, inspecting members, adding extra classes, and jumping directly to source code.
This article provides a comprehensive collection of IntelliJ IDEA keyboard shortcuts for both Windows and macOS, organized by key combinations such as Ctrl, Alt, Shift, and their combinations, includes tables of shortcuts, usage explanations, and a link to a high‑resolution PDF for printing.
This article presents a curated list of essential IntelliJ IDEA plugins and configuration tweaks—ranging from AI‑powered code completion to code style enforcement and UI enhancements—that can dramatically improve Java developers' productivity and code quality.
This guide presents fifteen essential IntelliJ IDEA plugins—from code completion and shortcut hints to code quality checks and live templates—that dramatically streamline Java development, improve code readability, enforce standards, and boost overall productivity for developers.
This guide explains step‑by‑step how to set up class and method comment templates in IntelliJ IDEA, including creating file and live templates, configuring parameters, adding Groovy scripts for @param and @return generation, and verifying the generated Javadoc comments for Java files.
Discover a curated list of 15 essential IntelliJ IDEA plugins and configuration tweaks—including Codota, Lombok, SonarLint, and live templates—that dramatically streamline Java development, improve code quality, and accelerate daily workflow.
This article introduces IntelliJ IDEA’s Scratch files and Scratch buffers, explaining how they provide temporary, fully‑featured code or note containers that improve development efficiency by eliminating the need to switch between multiple tools.
This guide shows how to configure IntelliJ IDEA to automatically insert class and method Javadoc comments using file and code templates and live templates, including custom Groovy scripts for @author, @date, @param, and @return annotations.
This guide walks you through fifteen essential IntelliJ IDEA plugins—from AI‑driven code completion and shortcut hints to code quality checks—and shows how to create custom live templates and tweak global IDE settings, dramatically increasing Java development efficiency.
Google delays its office‑return plan and grants US staff a $1,600 bonus, while a severe Apache Log4j2 remote‑code‑execution flaw affecting many Java projects is disclosed with mitigation steps, and IntelliJ IDEA introduces built‑in audio‑video chat for collaborative coding.
After upgrading IntelliJ IDEA to version 2021.3, Maven 3.8.1 blocks HTTP repositories by default, causing private‑repo download failures, but you can resolve the issue by adjusting the Maven settings or switching to HTTPS.
This article introduces five powerful IntelliJ IDEA debugging techniques—including conditional breakpoints, drop‑frame navigation, multithread control, remote debugging, and on‑the‑fly expression evaluation—to help Java developers efficiently locate and fix bugs in complex codebases.
This guide explains the prerequisites, installation, and step‑by‑step process for using IntelliJ IDEA’s Code With Me plugin to create invitation links, set visitor permissions, and enable real‑time collaborative editing, including screenshots of each stage and notes on ending sessions.
This guide shows how to use IntelliJ IDEA's diagram feature to view, customize, and explore inheritance and interface implementation relationships of Java Servlet classes, including filtering, expanding details, and navigating source code.
This article provides a comprehensive step‑by‑step guide to configuring IntelliJ IDEA's appearance, fonts, accessibility options, UI elements, tool windows, menus, system settings, file colors, scopes, notifications, quick lists, and path variables, helping developers personalize their IDE for better productivity and comfort.
This article explains how IntelliJ IDEA's Scratch Files and Scratch Buffers let developers quickly create, edit, run, and debug temporary code snippets, JSON, HTTP requests, and other text without leaving the current project, improving productivity and avoiding context switching.
This article introduces the basic features of three popular Java IDEs—NetBeans, Eclipse, and IntelliJ IDEA—examines their strengths and limitations, and provides a concise comparison to help developers choose the most suitable development environment for their projects.
IntelliJ IDEA 2021.3 introduces a beta remote development mode, enhanced IDE repair tools, convenient font scaling, streamlined Markdown table creation, advanced unsafe string checks, improved refactoring shortcuts, and multiple Spring framework enhancements, all illustrated with screenshots and GIFs for developers.
This guide shows how to use IntelliJ IDEA’s diagram feature to visualize, clean up, and explore Java Servlet inheritance and interface relationships, including removing unwanted classes, inspecting members, adding new classes, and jumping directly to source code for deeper understanding.
This guide explains how to install the PlantUML plugin and Graphviz, configure environment variables and IntelliJ IDEA, and use PlantUML to quickly create UML diagrams and flowcharts directly within the IDE, including a sample code snippet and alternative browser options.
This guide explains how to install and use the SequenceDiagram IntelliJ IDEA plugin to automatically create detailed sequence diagrams from Java code, covering its core features, activation methods, and export options for improved code navigation and documentation.
This article introduces ten useful IntelliJ IDEA plugins—including aiXcoder, Java Stream Debugger, easy_javadoc, Easy Code, Restfultoolkit, Key promoter X, String Manipulation, Translation, Git Auto Pull, and .gitignore—detailing their features, shortcuts, and how they can streamline Java backend development and improve coding productivity.
This tutorial walks through installing Docker, configuring remote access, creating a Spring Boot project with Maven, adding Docker support via plugins, writing Dockerfile and application code, building the image, and running the container, demonstrating a complete end‑to‑end deployment workflow.
This guide presents fifteen essential IntelliJ IDEA plugins and configuration tweaks—including Codota, Lombok, MyBatisX, and SonarLint—plus custom live templates and global settings that together can dramatically accelerate Java development, improve code quality, and streamline daily workflow for developers.
This guide shows how to configure IntelliJ IDEA to automatically generate class and method Javadoc comments using file templates and live templates, including custom Groovy scripts for @param and @return annotations, applicable contexts, and step‑by‑step screenshots.
This guide lists fifteen essential IntelliJ IDEA plugins and configuration tweaks—ranging from code completion and shortcut hints to code quality checks and UI customizations—that together can dramatically accelerate Java development efficiency.
IntelliJ IDEA provides two temporary editing environments—Scratch files and Scratch buffers—that enable developers to quickly write and run code snippets or HTTP requests, test APIs, simulate MQ messages, and perform white‑box testing without leaving the IDE.
This guide explains how to install JRebel, a hot‑deployment tool for Java web applications, using either Tomcat startup parameters or the IntelliJ IDEA plugin, and details the necessary VM options, deployment settings, and Maven/Gradle integration to achieve instant code updates without restarting the server.
This guide walks through creating a SpringBoot and MyBatis multi‑module project in IntelliJ IDEA, covering environment setup, parent and child module creation, dependency configuration, bean scanning, MyBatis integration, and troubleshooting common startup errors, culminating in a runnable demo endpoint.
This tutorial walks through numerous IntelliJ IDEA configuration steps—including showing the toolbar, enabling quick documentation, adjusting appearance, auto‑importing packages, customizing tabs, changing fonts, setting comment templates, and tweaking shortcuts—to help Java developers improve productivity and code quality.
This guide walks through a comprehensive set of IntelliJ IDEA customizations—including toolbar visibility, mouse‑hover documentation, method separators, case‑insensitive completion, theme selection, auto‑import, tab layout, font adjustments, documentation templates, code display options, shortcut remapping, comment styling, inspection levels, project view folding, window reset, history navigation, quick semicolon insertion, controller search, and brace matching—providing step‑by‑step settings and visual examples.
This article guides Java developers on installing the PlantUML plugin for IntelliJ IDEA, setting up Graphviz, configuring environment variables, and creating UML diagrams directly from text, including sample code and alternative Chrome viewer options.
This guide walks Java developers through five essential IntelliJ IDEA debugging techniques—including conditional breakpoints, drop‑frame navigation, multithreaded debugging, remote debugging setup, and on‑the‑fly expression evaluation—to dramatically improve bug‑fixing efficiency.
This guide explains how to use IntelliJ IDEA Live Templates to automate repetitive Java code, covering built‑in snippets, creating custom templates with variables, advanced functions like clipboard and groovyScript, and practical examples for declaring loggers, beans, and printing method parameters.
This guide shows Java developers how to install Graphviz and the PlantUML plugin in IntelliJ IDEA, configure environment variables, and use PlantUML syntax to generate flowcharts and class diagrams directly within the IDE, plus alternatives like Chrome extensions for quick diagram rendering.
Learn how to quickly set up PlantUML in IntelliJ IDEA, configure Graphviz, and create UML diagrams directly within the IDE, including step-by-step installation, environment variable setup, and sample code for generating sequence and class diagrams.
This guide explains what PlantUML is, its advantages, how to install the PlantUML plugin and Graphviz on Windows, configure IntelliJ IDEA, write PlantUML code to generate diagrams, and alternative browser‑based options, providing a complete workflow for developers.
This guide explains what PlantUML is, its advantages, and provides step‑by‑step instructions for installing the PlantUML plugin and Graphviz on Windows, configuring IntelliJ IDEA, and creating UML diagrams directly within the IDE, including sample code and alternative Chrome extension options.
This article explains how to use Java 17 features such as pattern matching and switch expressions in IntelliJ IDEA 2021.2.1, demonstrates performance‑boosting tips by disabling unnecessary plugins, and provides practical code examples to streamline your Java development workflow.
This article explains how IntelliJ IDEA's Live Templates feature can automate repetitive Java code creation, covering basic usage, custom template definition, advanced variable functions, and practical examples to boost development productivity.
This article explains how to use IntelliJ IDEA's Live Template feature to create shortcuts for common Java Stream collector operations such as toList, toSet, joining, and groupingBy, improving code readability and productivity when migrating large codebases to the Stream API.
This article shares a hands‑on experience of IntelliJ IDEA 2021.3’s new remote execution capabilities, detailing how to configure and run Java projects via WSL 2, SSH, and Docker, including step‑by‑step setup, common pitfalls, and practical tips for seamless local‑like debugging.
This tutorial walks you through the fundamentals of Git, explains how to configure it in IntelliJ IDEA, and provides detailed step‑by‑step instructions for common operations such as clone, checkout, diff, log, commit, push, and using the built‑in terminal.
This guide lists eight crucial IntelliJ IDEA configuration tweaks—such as enabling automatic compilation, case‑insensitive completion, smart imports, hover hints, multi‑line tabs, proper file encoding, Ctrl‑scroll font resizing, and line numbers—to help developers transitioning from Eclipse work more efficiently.
This guide explains how to set up IntelliJ IDEA templates to automatically generate class and method Javadoc comments, including adding author and date placeholders, creating live templates for @param and @return annotations, and customizing variable expressions with Groovy scripts.
This article provides a detailed tutorial on using IntelliJ IDEA's debug mode, covering basic usage, shortcut keys, variable inspection, expression evaluation, smart step‑into, conditional breakpoints, multithreaded debugging, drop frame, force return, and JRebel activation for efficient Java development.
This guide explains how to lower the high memory usage of Spring Cloud applications on low‑end machines by adjusting per‑project JVM options in IntelliJ IDEA, detailing the necessary -Xmx, -Xms, -Xmn and -Xss parameters and showing the resulting performance improvement.
IntelliJ IDEA’s postfix completion lets developers type a dot after an expression and instantly expand it into common code constructs—such as loops, null checks, casts, and return statements—by selecting from a visual list, dramatically reducing manual typing and improving coding efficiency.
This guide introduces a curated list of IntelliJ IDEA plugins and configuration tweaks—including Codota, Key Promoter X, Lombok, and MybatisX—designed to accelerate Java development, improve code quality, and streamline everyday coding tasks for developers.
This guide introduces a curated list of IntelliJ IDEA plugins—including Codota, Key Promoter X, CodeGlance, Lombok, Alibaba Java Coding Guidelines, and more—along with configuration tweaks such as live templates, import optimization, and UI adjustments, all aimed at dramatically improving Java development efficiency.
This guide introduces fifteen essential IntelliJ IDEA plugins—from intelligent code completion and shortcut hints to code quality checks and UI tweaks—explaining how each tool works and how to configure them to dramatically improve Java development efficiency.
IntelliJ IDEA 2021.2 introduces a refreshed icon, configurable actions on auto‑save, a powerful Package Search for Maven/Gradle, enhanced diagram views, automatic cache and log cleanup, and new microservice diagrams, helping developers work more efficiently and avoid common pitfalls.
This article introduces IntelliJ IDEA plugin installation methods—online and offline—and provides concise overviews of more than twenty essential plugins, including Lombok, RestfulTool, MyBatis helpers, code quality tools, and visual enhancements, helping Java developers boost productivity and code quality.
This guide lists fifteen indispensable IntelliJ IDEA plugins and configuration tweaks—ranging from AI‑powered code completion to live templates and UI customizations—that together can dramatically accelerate Java development productivity.
IntelliJ IDEA 2021.2 introduces Project‑Wide analysis, enhanced code formatting, a revamped package search, richer inspections, improved Markdown support, smarter version‑control actions, JavaFX wizard updates, and numerous UI and performance refinements for a smoother development experience.
This guide lists fifteen essential IntelliJ IDEA plugins—from AI‑powered code completion and shortcut helpers to code quality and formatting tools—plus tips for custom live templates and global IDE settings that together can multiply a Java developer's efficiency.
This guide details step‑by‑step how to customize IntelliJ IDEA's toolbar, hover documentation, separators, case‑sensitivity hints, themes, auto‑import, tab layout, fonts, comment styling, inspection levels, project view, window restoration, local history, semicolon completion, controller navigation, brace matching, and where configuration files are stored, including creating custom Javadoc templates.
This guide explains what debugging is, why it matters for developers, and provides a step‑by‑step walkthrough of IntelliJ IDEA’s debugging features—including breakpoints, stepping controls, variable inspection, conditional breakpoints, multithread debugging, and expression evaluation—to help you troubleshoot code efficiently.
This guide walks you through a comprehensive set of IntelliJ IDEA customizations—including toolbar visibility, mouse hover docs, separator lines, case‑insensitive suggestions, theme selection, eye‑friendly modes, auto‑import, multi‑tab display, font adjustments, comment templates, code layout, shortcut remapping, bracket matching, project tree folding, window reset, local history, quick semicolon insertion, and fast controller navigation—to streamline your Java development workflow.
After a decade of using Eclipse for Java development, the author switched to IntelliJ IDEA, sharing the historical context of IDEs, the reasons for the transition, practical tips, useful shortcuts, and a balanced view of the strengths and drawbacks of both tools.
This guide walks you through IntelliJ IDEA 2021’s revamped Profiler, the new microservice call‑graph analysis for Spring Boot, Micronaut and Quarkus, the Docker‑based run configurations, and the built‑in JSONPath expression debugger, showing how to leverage each feature to improve development efficiency.
Learn how to revamp IntelliJ IDEA’s appearance by installing theme plugins, adjusting icons, switching to programmer-friendly fonts, adding background images, and fine‑tuning UI settings, all with step‑by‑step instructions and visual examples for a more personalized development environment.
After upgrading IntelliJ IDEA, Lombok annotations may stop working and cause compilation errors, but updating Lombok to version 1.18.14 or later and adjusting IDE settings can restore functionality for Java and Spring Boot projects.
This guide explains how JRebel eliminates the need to restart Tomcat by enabling hot‑deployment of class and Spring configuration changes, covering two installation methods—adding JVM parameters to Tomcat and using the IntelliJ IDEA plugin—plus detailed configuration for Windows, Linux, Mac, Maven, and Gradle.
This guide demonstrates how to use IntelliJ IDEA's diagram feature to view, customize, and explore the inheritance and interface implementation hierarchy of Java Servlet classes, including filtering irrelevant nodes, inspecting members, adjusting visibility, zooming, adding related classes, and jumping to source code.
This guide explains how to use IntelliJ IDEA's Live Templates to streamline common Java Stream operations like toList, toSet, groupingBy, and joining, turning repetitive collector code into concise shortcuts that improve readability and development speed.
Learn step-by-step how to upload your IntelliJ IDEA configuration to the cloud, synchronize it on another machine, enable auto-sync, resolve common plugin issues, and ensure your custom settings like keymaps are consistently applied across installations.
This article walks through configuring IntelliJ IDEA 2021.3 to run and debug Java applications on remote environments using WSL, SSH, and Docker, detailing the setup steps, required JDK configuration, and practical tips for seamless remote execution.
This guide explains step‑by‑step how to upload your IntelliJ IDEA configuration to the cloud, synchronize it on another machine, enable auto‑sync, adjust specific settings, and troubleshoot common plugin issues, using the built‑in Settings Repository and VCS sync features.
Discover how IntelliJ IDEA’s Font Ligatures feature can transform the standard ‘!=’ operator into the mathematical ‘≠’ symbol, how to toggle this setting via Reader Mode, and why disabling it may improve code readability, with visual examples and a Java code demo.
This guide explains why Maven's default remote repository can be slow, shows how to configure fast Chinese mirrors such as Alibaba Cloud, NetEase, or Tencent Cloud, and demonstrates how to set these mirrors globally in IntelliJ IDEA so every new project downloads dependencies quickly.
This guide explains step‑by‑step how to upload your IntelliJ IDEA preferences to the cloud, synchronize them on another machine, resolve common plugin issues, and verify successful syncing using the built‑in Settings Repository and VCS tools.
This guide shows how to install and configure the PlantUML plugin and Graphviz on Windows, enabling Java developers to draw flowcharts and UML class diagrams directly within IntelliJ IDEA, with optional Chrome extension for browser‑based editing.
This guide explains how to set up JRebel—either by adding JVM arguments to Tomcat or by installing the IntelliJ IDEA plugin—to achieve instant class and resource updates during Java web development, including platform‑specific VM options and Maven/Gradle integration.
This guide shows how to install and configure the PlantUML plugin and Graphviz on Windows, set up environment variables, and use simple text syntax to generate UML sequence and class diagrams directly within IntelliJ IDEA, plus an alternative Chrome extension.
This guide walks you through setting breakpoints, starting a debug session, using step controls, and leveraging advanced debugging features in IntelliJ IDEA, helping you efficiently inspect code execution and manipulate variables during runtime.
This article introduces a collection of lesser‑known but highly useful IntelliJ IDEA shortcuts and techniques—including custom keymap warnings, navigation shortcuts like ctrl+alt+h, alt+f7, bookmarks, code folding, and theme switching—to help Java developers read, navigate, and refactor code more efficiently.
Learn essential IntelliJ IDEA shortcuts—including navigation, history view, auto-completion, variable extraction, renaming, and a serialVersionUID generator plugin—to streamline coding, reduce mouse clicks, and boost productivity across Windows and macOS environments for Java development.
This guide walks you through customizing IntelliJ IDEA’s appearance by installing theme plugins, adjusting icons, selecting programmer-friendly fonts with ligatures, adding background images, and fine‑tuning UI settings such as tabs, compact mode, and component colors for a more personalized and eye‑friendly development environment.
This guide walks you through configuring IntelliJ IDEA’s toolbar, mouse‑over documentation, method separators, case‑insensitive hints, themes, auto‑import, tab layout, fonts, documentation templates, shortcut keys, and other UI tweaks to boost coding efficiency.
This article provides a comprehensive list of IntelliJ IDEA keyboard shortcuts for both Windows and macOS, covering basic navigation, editing, refactoring, debugging, version control, and other essential functions to enhance developer productivity without using a mouse.
Learn how to leverage IntelliJ IDEA’s powerful debugging features—including Evaluate and Log at breakpoints, field access/modification watches, exception breakpoints, and method breakpoints—to inspect variables, trace execution, and streamline both everyday debugging and deep source code analysis without cluttering your code with temporary prints.
This guide explains how to improve IntelliJ IDEA's launch speed and overall responsiveness by editing the idea64.exe.vmoptions file, adjusting JVM memory settings, and provides tailored configurations for machines with 8 GB and 16 GB of RAM.
This article introduces IntelliJ IDEA's powerful postfix completion feature, explains how to trigger it with a dot after an expression, and demonstrates ten common templates such as var declaration, null‑check, for‑loops, type casting and return statements, each illustrated with GIF examples.
This article explains how to create and use IntelliJ IDEA live templates to replace repetitive Java Stream collector calls such as toList(), toSet(), and groupingBy() with concise shortcuts, improving code readability and productivity when migrating legacy code to Java 8 streams.
This article introduces four popular IntelliJ IDEA color themes—Xcode‑Dark, Vuesion, One Dark, and Dark Purple—provides download links, showcases screenshots, and explains how to install and switch them, helping developers reduce eye strain and improve their coding environment.
This comprehensive guide walks you through IntelliJ IDEA's debugging features, covering the interface, basic shortcuts, variable inspection, expression evaluation, smart step‑into, conditional breakpoints, multithreaded debugging, frame rollback, request interruption, and JRebel activation for hot‑deployment.
This guide shows how to configure IntelliJ IDEA to automatically generate Javadoc class and method comments using file templates and live templates, including step‑by‑step settings, custom Groovy scripts for @param and @return, and verification of the results.
IntelliJ IDEA’s powerful postfix completion lets you instantly generate common code constructs—such as loops, null checks, casts, and conditional statements—by typing a dot after an expression and selecting a template, dramatically speeding up Java development and reducing manual typing.
This guide shows how to configure IntelliJ IDEA to automatically insert Javadoc class and method comments, including author, date, @param and @return tags, using File and Code Templates and Live Templates with custom Groovy scripts.
