How do you define a custom iterator in Ruby?
A. By using the define_iterator keyword
B. By extending the Iterator class
C. By creating a method that yields to a block of code
D. By invoking the create_iterator method
Answer: Option C
This Question Belongs to Ruby Programming >> Enumerators And Iterators In Ruby
A. A predefined set of instructions for performing a specific task
B. A data structure that stores elements sequentially
C. A method that iterates over elements in a collection
D. A method that repeatedly calls a block of code
Which method is used to create an enumerator in Ruby?
A. Enumerable.create
B. Enumerator.create
C. Enumerable.new
D. Enumerator.new
What is the purpose of the each method in Ruby iterators?
A. To iterate over each element in a collection
B. To filter elements in a collection
C. To map elements to a new collection
D. To sort elements in a collection
What does the map method do in Ruby enumerators?
A. Sorts elements in a collection
B. Removes duplicate elements from a collection
C. Selects elements from a collection based on a condition
D. Applies a block of code to each element and returns a new collection
Join The Discussion