How to use Arrays in Ruby - Ruby Example


  • Arrays are a list of indexed items stored inside <a href='' target='_blank' rel='nofollow'>] brackets.
  • Ruby uses zero-based indexing. This means the first item in the array is stored in index number 0 , then the second is at index number 1 , and so on incrementing by values of 1 for each additional item stored in the array.
  • Arrays can be created using [] or syntax.
  • Ruby has many build in methods to perform operations on arrays such as reversing or finding an element stored in the array.


arr = [1,2,3]
# is equivalent to:
arr =
arr[0] = 1
arr[1] = 2
arr[2] = 3
# is also equivalent to:
arr = Array(1..3)
# All three of these examples return: