Web Reference: learnrubyonline.org is a free interactive Ruby tutorial for people who want to learn Ruby, fast. Jun 7, 2022 · Like Perl, Bash, Python, and C Shell, Ruby uses the hash symbol (also called Pound Sign, number sign) for comments. Everything from the hash to the end of the line is ignored when the program is run by Ruby. For example, here's our hello_world.rb program with comments. puts 'Hello, world!' Oct 3, 2019 · Ruby is a dynamic, reflective, object-oriented, general-purpose programming language. Hello World the program is the most basic and first program when we start a new programming language.
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