Enumerators And Iterators In Ruby - Practice Test

(A) By defining a method that yields to a block of code

(B) By invoking the create_enumerator method

(C) By extending the Enumerator class

(D) By using the define_enumerator keyword

(C) By extending the Enumerator class

(A) To map elements to a new collection

(B) To iterate over each element in a collection along with its index

(C) To sort elements in a collection

(D) None of the above

(B) To iterate over each element in a collection along with its index

(A) Removes duplicate elements from a collection

(B) Sorts elements in a collection

(C) Iterates over each element in a collection indefinitely

(D) Repeatedly applies a block of code to each element

(C) Iterates over each element in a collection indefinitely

(A) Returns an array containing elements that satisfy a given condition

(B) Returns the last element that satisfies a given condition

(C) Returns the total number of elements that satisfy a given condition

(D) Returns the first element that satisfies a given condition

(D) Returns the first element that satisfies a given condition

(A) Executes a block of code a specified number of times

(B) Iterates over each element in a collection

(C) Converts a collection into an enumerator

(D) Sorts elements in a collection

(A) Executes a block of code a specified number of times

Enumerators And Iterators In Ruby - Study Mode