Which of the following options can be used to determine if an array contains any values?
A) Use the Array class's size method
B) Use the Array class's empty? method
C) Use the Array class's length method
D) All of the above

Question

Quizplus · Accepted Answer

All of the options provided (size, empty?, length) can be used to determine if an array contains any values in Ruby. The size and length methods return the number of elements in the array, which can be checked against 0 to determine if the array is empty. The empty? method directly returns true if the array contains no elements, and false otherwise.

Which of the Following Options Can Be Used to Determine