A Java library for handling console input with advanced line editing, history, and completion, similar to GNU Readline.
JLine is a Java library for handling console input, providing advanced line editing, history management, and tab completion similar to GNU Readline. It solves the problem of building interactive command-line interfaces (CLIs) and REPLs in Java with cross-platform support and rich terminal features.
Java developers building interactive command-line applications, REPLs, or tools requiring sophisticated console input handling, such as database clients, build tools, or administrative consoles.
Developers choose JLine for its portability, flexibility, and comprehensive feature set, including ANSI support, syntax highlighting, and modular architecture, making it a robust alternative to native solutions like GNU Readline.
JLine is a Java library for handling console input.
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Ensures consistent behavior across Windows, macOS, and Unix-like systems, as highlighted in its portability focus, eliminating terminal compatibility issues.
Supports Emacs and Vi key bindings with customizable bindings, providing familiar editing experiences akin to GNU Readline for power users.
Offers searchable and persistent history management, enhancing user productivity in REPLs and CLIs through built-in storage and retrieval.
With version 4.0, JLine provides proper Java Platform Module System modules, facilitating modern, modular Java application development as detailed in the README.
JLine 4.x requires Java 11 or higher, limiting compatibility with legacy systems still on Java 8, as noted in the requirements section.
The ConsoleUI module is marked as deprecated, indicating reduced support and future removal of interactive UI elements like menus and checkboxes.
The library is split into multiple modules with JPMS and non-JPMS variants, complicating dependency management and integration for beginners or simple projects.
JLine is an open-source alternative to the following products: