Question 1 of 25
Hints left: 3
Q1
Which of the following is true about optional parameters in Ruby methods?
Q2
What does the def keyword signify in Ruby?
Q3
Which of the following is a correct way to define a method that takes multiple arguments in Ruby?
Q4
What is the purpose of the initialize method in Ruby classes?
Q5
What does the return keyword do in Ruby methods?
Q6
In Ruby, which keyword is used to define a class method?
Q7
What does the `public` keyword do in Ruby?
Q8
What does the `protected` keyword do in Ruby?
Q9
In Ruby, which keyword is used to call a method?
Q10
What is the result of calling a method in Ruby without parentheses?
Q11
In Ruby, which method is called automatically when an object is created?
Q12
Which keyword is used to create a new instance of a class in Ruby?
Q13
What does the `super` keyword do in Ruby?
Q14
What is the purpose of the `alias` keyword in Ruby?
Q15
In Ruby, which method is used to check if an object responds to a certain method?
Q16
In Ruby, what does the `singleton_method_defined?` method do?
Q17
In Ruby, what is the purpose of the `include` keyword in a class definition?
Q18
In Ruby, which method is used to define a getter and setter for an instance variable?
Q19
What is the keyword used to define a class in Ruby?
Q20
In Ruby, what does the attr_reader method do?
Q21
What is the purpose of the yield keyword in Ruby?
Q22
What does the private keyword do in Ruby?
Q23
What is the purpose of the `public` keyword in Ruby?
Q24
Which of the following is NOT a valid method definition syntax in Ruby?
Q25
What is the purpose of the alias_method keyword in Ruby?