Ruby Comments

Ruby comments are non executable lines in a program. These lines are ignored by the interpreter hence they don’t execute while execution of a program. They are written by a programmer to explain their code so that others who look at the code will understand it in a better way.

Types of Ruby comments:

  • Single line comment
  • multi line comment

Ruby Single Line Comment

The Ruby single line comment is used to comment only one line at a time. They are defined with # character.

Syntax:

  1. #This is single line comment.  

Example:

i = 10  #Here i is a variable.   

puts i

Output:

Ruby Comments 1

The Ruby multi line comment is used to comment multiple lines at a time. They are defined with =begin at the starting and =end at the end of the line.

Syntax:

=begin  

    This  

    is  

    multi line  

    comment  

=end

Example:


  1. =begin   
  2. we are declaring   
  3. a variable i   
  4. in this program   
  5. =end   
  6. i = 10   
  7. puts i  

Output:

Ruby Comments 2

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