Mastering Ruby Methods: 16 Practical Examples for Beginners

Methods are one of the fundamental building blocks of Ruby programming. They allow us to write reusable, modular code, making our programs more efficient and readable. In this guide, we will explore 16 essential Ruby methods with detailed explanations, example outputs, and links to official documentation site. By the end of this post, you will have a solid grasp of how methods work in Ruby and how to use them effectively in your projects. Here's where you can play around without installing or updating your current Ruby interpreter in your system. 1. Defining and Calling a Simple Method in Ruby A method in Ruby is defined using the def keyword, followed by the method name and a block of code. The method only executes when explicitly called. def greet puts "Hello, welcome to the world of Ruby!" end greet Output: Hello, welcome to the world of Ruby! Explanation: The greet method is defined. When greet is called, it prints a message to the console.

Feb 21, 2025 - 09:51

Mastering Ruby Methods: 16 Practical Examples for Beginners

Methods are one of the fundamental building blocks of Ruby programming. They allow us to write reusable, modular code, making our programs more efficient and readable. In this guide, we will explore 16 essential Ruby methods with detailed explanations, example outputs, and links to official documentation site. By the end of this post, you will have a solid grasp of how methods work in Ruby and how to use them effectively in your projects. Here's where you can play around without installing or updating your current Ruby interpreter in your system.

1. Defining and Calling a Simple Method in Ruby

A method in Ruby is defined using the def keyword, followed by the method name and a block of code. The method only executes when explicitly called.

def greet
  puts "Hello, welcome to the world of Ruby!"
end

greet

Output:

Hello, welcome to the world of Ruby!

Explanation:

The greet method is defined.
When greet is called, it prints a message to the console.

Mastering Ruby Methods: 16 Practical Examples for Beginners

1. Defining and Calling a Simple Method in Ruby

Output:

Explanation:

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