Guides

ESSENTIALS for the J Beginner

• Getting Started
• J Primitives: NuVoc, the Wiki Dictionary of J
• Package Manager: Manage your installation, including getting the latest updates

User Interfaces to J

• jconsole - command prompt/terminal
• JHS - J Http Server
• Qt IDE - the JQt IDE
• iOS - J for the iPhone and iPad
• JAndroid - J for Android

FAQs

• Language FAQ about the core language
  
• General FAQ in general
  
• Compilation of Beginners' Questions to kickstart a beginner's FAQ
  

Frameworks

• Jd, a J database
• Labs, the Labs system
• Modern OpenGL, a 3D graphics API
• Plot package for business and scientific graphics
• Publish, a report generation framework with PDF output

Technologies

• Ctags provide a means of jumping to name definitions
• Database J implementations, relational operations, RDBMS interfaces
• Interfaces between J and .NET, Java, DLLs, third-party applications; Cocoa and Objective C on the Mac
• Literate Programming encourages good coding style and well-written integrated documentation
• Component Files J component files
• DLLs Calling DLLs (shared libraries) and memory management (the cd verb in J)
• Folders and Projects folders and project management
• Parsing Lexical, syntactic, semantic analyses and execution
• Persistence Saving and loading J objects
• Regular Expressions PCRE2 regular expressions
• Strings strings and text manipulation resources
• Sockets Socket interfaces
• Typesetting characters, fonts, encodings, output formats, on screen or printer
• Web technologies, CGI framework, web server integration

Window Driver (wd)

See Guides/Window Driver

General

• Auto Open Opening J script files, in J, from the Windows Explorer
• Auto Start Automatically launch J scripts from file browser and web browser
• Asynchronous GUI Updates during long running processes to appear responsive to the user
• AVX Reworking the J Engine to use modern CPU features
• Batch Test Code-centric comparative performance tester of code cases over data series
• Benchmarks J Benchmarks
• Boxdraw J Box Drawing characters
• CGI with J Some considerations and examples
• Clipboard Reading from and writing to clipboard
• Compiling JQt Instructions for compiling JQt using free tools.
• Compiling Jqt Compiling Jqt on macOS
• Configure Development system configuration
• Constants J constant description syntax
• Continuations resuming procedure execution and inversion of control for event-driven patterns
• Debug JQt GUI debugger
• Defining Verbs Defining explicit and tacit verbs
• Directory Match Directory Match utility
• Distributing J Code Creating addons.
• Emacs Using Emacs
• FastCGI with J Some considerations and examples
• GUID Generator Stand-alone GUID generators for Start menu or command line
• iOS The iPhone and iPad platform
• iPad Tips Tips for using the iPad user interface with JHS
• J Shell Script Unix shell scripts that call J
• J Web Server Building a web server using J
• J9 Standalone Developing cross-platform, standalone applications in J9
• Jupyter Run J notebooks in Jupyter
• Language Bindings talking to J from other languages
• Lexical Closure Answers to the accumulator generator challenge
• Linux Installation Installing the JQt IDE on various Linux distributions
• Locked Scripts Locked Scripts
• Multi-page Forms Using "creategroup" command and a number of sub-forms
• Multiple Verb Arguments Passing multiple arguments to a verb
• Named Noun Internals Internal structure of named nouns
• Performance Monitor A step-by-step tutorial with examples
• Primitives A more literate form of J using words instead
• Reading Tacit Verbs How to read tacit verbs
• SCGI with J Some considerations and examples
• Standalone Applications An application script with other required files and J binaries
• Startup What J runs when you start it
• Syntax Coloring Syntax coloring for text editors
• Text Titles with Plot Quickly create a bitmap with a piece of text
• Unicode Support for unicode in code development and applications
• Getting Started With Unicode A simple-stupid guide to steer you round common pitfalls for the Unicode virgin
• Websocket addon, allows browsers to make calls to a J server.
• Windows Programming Many entertaining Graphical User Interface (GUI) examples, good for beginners
• Windows Progress Dialog Visual feedback for long-running process

For J602

• J6/Grid, an efficient spreadsheet control for J
• JDB, an earlier version of Jd
• J6/OpenGL, a 3D graphics API
• J6/Project Manager, application IDE and build system
• J6/Splitter, a splitter control for J
• J6/Treeview, a treeview control for J