Ruby quiz

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

What does `5.times { puts "hi" }` do?

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

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