ruby block comment code example

Example 1: comment in ruby

# Single line comment

=begin
multiline
comment
=end

Example 2: how to comment in ruby

# How to comment a single line

=begin
How to comment 
Multiple lines
=end

Example 3: ruby comments

# This is a comment

=begin
This is a multiline comment
No-one uses them
You shouldn't either
=end

Example 4: ruby comment

#comment only one line
=begin 
all comment here
=end