How to get a Random Item in a Set in Ruby

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How to get a Random Item in a Set in Ruby ?

Answer

To get a random item from a set in Ruby, you can use the sample method on an array created from the set.

✐ Examples

1 Get Random Item from Set

In this example,

We create a Set named mySet containing elements.
We convert the Set to an array using the to_a method.
We use the sample method on the array to retrieve a random item.
Finally, we print the random item to standard output.

Ruby Program

require 'set'

mySet = Set.new(['Apple', 'Banana', 'Orange', 'Mango'])
myArray = mySet.to_a
randomItem = myArray.sample
puts 'Random item from set:', randomItem

Output

Random item from set:
Mango

Summary

In this tutorial, we learned How to get a Random Item in a Set in Ruby language with well detailed examples.