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Crypto Glossary/Ruby (Programming Language)

Ruby (Programming Language)

Ruby is a dynamic, object-oriented programming language known for its simplicity and readability. It has an elegant syntax, dynamic typing, and an extensive standard library. Ruby prioritizes developer

TLDR - Ruby (Programming Language)

Ruby is a dynamic, object-oriented programming language known for its simplicity and readability. It was created in the mid-1990s by Yukihiro Matsumoto, also known as Matz. Ruby is designed to be easy to understand and write, making it a popular choice for beginners. It has a strong focus on developer happiness and productivity, with a philosophy that emphasizes the importance of human-friendly code. Ruby's unique features include its elegant syntax, dynamic typing, and extensive standard library.


Ruby is a high-level programming language that combines elements from various languages, including Perl, Smalltalk, and Lisp. It is interpreted, meaning that code is executed directly without the need for compilation. Ruby's syntax is designed to be natural and expressive, resembling plain English. This makes it easy to read and understand, even for non-programmers.


Ruby is a fully object-oriented language, which means that everything in Ruby is an object. Objects are instances of classes, which define their behavior and attributes. Ruby supports both single and multiple inheritance, allowing objects to inherit characteristics from one or more parent classes. This makes it easy to create reusable and modular code.

Dynamic Typing

One of Ruby's unique features is its dynamic typing system. Unlike statically typed languages, such as C or Java, Ruby does not require explicit type declarations. Variables in Ruby are dynamically typed, meaning that their type can change at runtime. This flexibility allows for more concise and flexible code, but it also requires careful attention to ensure type safety.

Elegant Syntax

Ruby's syntax is often praised for its elegance and readability. It uses a minimalist approach, with a focus on simplicity and expressiveness. Ruby code is often described as "beautiful" and "poetic" due to its clean and concise nature. The language provides a wide range of syntactic sugar, such as method chaining and block syntax, which allows developers to write code in a more natural and intuitive way.


Ruby has powerful metaprogramming capabilities, which allow developers to write code that can modify itself at runtime. Metaprogramming in Ruby is achieved through the use of reflection and dynamic method definitions. This feature enables developers to write highly flexible and extensible code, making Ruby a popular choice for frameworks and libraries.

Extensive Standard Library

Ruby comes with a comprehensive standard library that provides a wide range of built-in classes and modules. This library includes utilities for file I/O, networking, regular expressions, and much more. The standard library is designed to be consistent and easy to use, allowing developers to quickly build robust applications without relying on external dependencies.


Ruby is a powerful and expressive programming language that prioritizes developer happiness and productivity. Its simplicity, elegance, and extensive standard library make it a popular choice for both beginners and experienced developers. Whether you're building web applications, scripting tasks, or developing complex software, Ruby offers a flexible and enjoyable programming experience.

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