Ruby quiz

Test your Ruby knowledge with a free interactive quiz — 24 questions with answers and explanations. No signup needed to play.

What is `irb`?

1. What is `irb`?
2. What does `5.times { puts "hi" }` do?
3. What does "duck typing" mean in Ruby?
4. How do you define a method in Ruby?
5. Is Ruby statically or dynamically typed?
6. What does `attr_accessor :name` generate?
7. What is a Ruby gem?
8. How does Ruby handle string interpolation?
9. What is a Ruby symbol like `:name`?
10. What does `nil` represent in Ruby?
11. What is a block in Ruby?
12. In Ruby, what is true about (almost) everything?

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