Enumerators And Iterators In Ruby MCQs with Explanations

A method that iterates over elements in a collection is the correct answer to “What is an iterator in Ruby”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Enumerator.new is the correct answer to “Which method is used to create an enumerator in Ruby”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

To iterate over each element in a collection is the correct answer to “What is the purpose of the each method in Ruby iterators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Applies a block of code to each element and returns a new collection is the correct answer to “What does the map method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

By creating a method that yields to a block of code is the correct answer to “How do you define a custom iterator in Ruby”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Filters elements in a collection based on a condition is the correct answer to “What does the select method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

To combine all elements in a collection into a single value is the correct answer to “What is the purpose of the reduce method in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

An object that can be used to iterate over a collection is the correct answer to “What is an enumerator in Ruby”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

to_enum is the correct answer to “Which method is used to convert a collection into an enumerator in Ruby”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Combines elements from multiple collections into arrays is the correct answer to “What does the zip method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

By extending the Enumerator class is the correct answer to “How do you create a custom enumerator in Ruby”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

To iterate over each element in a collection along with its index is the correct answer to “What is the purpose of the each_with_index method in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Iterates over each element in a collection indefinitely is the correct answer to “What does the cycle method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Returns the first element that satisfies a given condition is the correct answer to “What does the find method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Executes a block of code a specified number of times is the correct answer to “What is the purpose of the times method in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Checks if any element satisfies a given condition is the correct answer to “What does the 'any?' method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Combines all elements in a collection into a single value is the correct answer to “What does the inject method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Filters elements in a collection based on a regular expression is the correct answer to “What does the grep method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Skips elements in a collection until a given condition is met is the correct answer to “What is the purpose of the drop_while method in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Returns the element with the maximum value based on a given condition is the correct answer to “What does the max_by method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Delays the execution of operations on an enumerator until they are needed is the correct answer to “What is the purpose of the lazy method in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Splits a collection into slices before elements that satisfy a given condition is the correct answer to “What does the slice_before method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Checks if exactly one element satisfies a given condition is the correct answer to “What does the one? method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Iterates over each consecutive sequence of a given size in a collection is the correct answer to “What is the purpose of the each_cons method in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Iterates over each element in a collection indefinitely is the correct answer to “What is the purpose of the cycle method in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

all? is the correct answer to “Which method is used to check if all elements in a collection satisfy a condition in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Takes elements from a collection until a given condition is met is the correct answer to “What does the take_while method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Iterates over each element in a collection along with its index is the correct answer to “What is the purpose of the with_index method in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Iterates over each consecutive sequence of a given size in a collection is the correct answer to “What does the each_slice method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Filters elements in a collection based on a regular expression, excluding matches is the correct answer to “What does the grep_v method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Finds the first element that satisfies a given condition is the correct answer to “What is the purpose of the detect method in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Maps each element to a new collection and flattens the results is the correct answer to “What does the flat_map method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Splits a collection into chunks based on a given condition is the correct answer to “What is the purpose of the chunk_while method in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.

Returns the maximum value in a collection is the correct answer to “What does the max method do in Ruby enumerators”. This question is standard in competitive examination syllabi for Enumerators And Iterators In Ruby.