Ruby-Fundamentals

Hello World in Ruby

Every programming journey starts with Hello World. Ruby makes this delightfully simple—it’s just one line that reads almost like English.

The Code

Create a file named hello.rb:

1

puts …

Variables and Types in Ruby

Ruby is a dynamically and strongly typed language — you never declare a variable’s type, but Ruby always knows what type a value is and won’t silently coerce incompatible ones. This gives …

Operators in Ruby

Operators are the verbs of a programming language—they let you add numbers, compare values, combine strings, and make decisions. Ruby gives you the familiar set of arithmetic and comparison operators …