Online Ruby Compiler Features
Elegant Ruby Editor
- Monaco Editor with Ruby syntax highlighting for keywords, symbols, blocks, and method definitions
- Intelligent autocomplete for Ruby methods, iterators, and common programming patterns
- Real-time syntax validation catches Ruby-specific errors before execution
- Bracket matching for Ruby blocks, arrays, and hash literals
Ruby 3.2 Execution
- Execute Ruby 3.2 code instantly with modern Ruby features and performance improvements
- Test Ruby blocks, iterators, yield, and Ruby's expressive programming style
- See puts/print output, errors, and stack traces in real-time
- Perfect for testing Ruby algorithms and object-oriented programming concepts
Object-Oriented Ruby
- Everything is an object in Ruby—practice classes, modules, mixins, and inheritance
- Test Ruby's powerful metaprogramming capabilities and dynamic features
- Use Ruby iterators: each, map, select, reduce, and enumerable methods
- Experiment with symbols, regular expressions, and Ruby's flexible syntax
Developer Productivity
- Learn Ruby's developer-friendly syntax that prioritizes programmer happiness
- Practice Ruby interview questions and coding challenges
- Share Ruby code for Rails applications, scripts, or educational content
- Test Ruby patterns before integrating into web applications or automation scripts
Ruby Compiler Keyboard Shortcuts
Experience the power of Replit AI
This entire Ruby compiler was built by Replit Agent 3 from a natural language prompt. Replit's environment facilitates rapid development, iteration and testing code for users of any technical ability. Develop software faster and better with Replit’s autonomous AI.
Get started freeFrequently Asked Questions
What Ruby version is supported?
This Ruby compiler runs Ruby 3.2 with modern features, performance improvements, and updated syntax. Write contemporary Ruby code using the latest language capabilities and standard library enhancements.
Can I use Ruby gems and libraries?
This online Ruby compiler includes Ruby's standard library but doesn't support external gems. Perfect for learning core Ruby: classes, modules, iterators, blocks, and object-oriented programming fundamentals.
Is this good for learning Ruby on Rails?
This Ruby compiler focuses on pure Ruby language learning. While Rails isn't available, practice the Ruby fundamentals that power Rails: classes, modules, methods, and object-oriented design. Essential foundation for Rails development.
How do I debug Ruby code here?
Use puts for simple output or p for detailed object inspection. The console shows all output and error messages with stack traces. Ruby's helpful error messages guide you to fix syntax and runtime issues.
What makes Ruby special for beginners?
Ruby prioritizes developer happiness with readable, expressive syntax. Everything is an object, syntax is clean and consistent, and powerful features like blocks make Ruby enjoyable. This online Ruby compiler makes learning Ruby instantly accessible.
Can I practice Ruby iterators and blocks?
Absolutely! Full support for Ruby blocks, yield, iterators (each, map, select, reduce), and enumerable methods. Practice Ruby's elegant iteration patterns that make data processing concise and readable.
Is this suitable for Ruby interview preparation?
Perfect for interviews! Test Ruby algorithms, practice object-oriented design, and solve coding challenges. Share Ruby solutions via URL for interview follow-ups or demonstrate Ruby proficiency in your portfolio.
What Ruby features can I test here?
All core Ruby features: classes, modules, mixins, inheritance, blocks, iterators, symbols, regular expressions, exception handling, metaprogramming basics, and Ruby 3.2 syntax enhancements.
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