How to Declare an Array in Ruby

How to Declare an Array in Ruby ?

Answer

In Ruby, you can declare an array using square brackets or the Array.new method.


✐ Examples

1 Declare an Array in Ruby

In this example,

  1. We declare an array named numbers using square brackets and initialize it with some values.
  2. We print the array elements to the console.

Ruby Program

numbers = [1, 2, 3, 4, 5]
puts numbers

Output

1
2
3
4
5

2 Declare an Array using Array.new Method

In this example,

  1. We declare an array named names using the Array.new method and initialize it with some strings.
  2. We print the array elements to the console.

Ruby Program

names = Array.new(3, 'Alice')
puts names

Output

Alice
Alice
Alice

Summary

In this tutorial, we learned How to Declare an Array in Ruby language with well detailed examples.


More Ruby Arrays Tutorials

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  2. How to Initialize an Array in Ruby ?
  3. How to Access Array Elements in Ruby ?
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  10. How to Get Array Length in Ruby ?
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  13. How to get the Index of Specified Element in an Array in Ruby ?
  14. How to check if Specified Element is present in the Array in Ruby ?
  15. How to count the Number of Occurrences of Specified Element in the Array in Ruby ?
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  21. How to create a Three Dimensional Array in Ruby ?
  22. How to Copy an Array in Ruby ?
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  24. How to Join Arrays in Ruby ?
  25. How to check if Two Arrays are Equal in Ruby ?
  26. How to check if Two Arrays have Same Elements (Regardless of Order) in Ruby ?
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  28. How to Convert an Array of Strings to an Array of Integers in Ruby ?
  29. How to Reverse an Array in Ruby ?
  30. How to Shuffle an Array in Ruby ?
  31. How to Rotate Elements in an Array in Ruby ?
  32. How to Filter Elements of an Array based on a Condition in Ruby ?
  33. How to Declare an Integer Array in Ruby ?
  34. How to Declare a Float Array in Ruby ?
  35. How to Declare a String Array in Ruby ?
  36. How to Remove Duplicates in an Array in Ruby ?
  37. How to Remove Specific Element from an Array in Ruby ?
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