Ruby Array Exercises: Swap the first and last elements of a given array of integers
Ruby Array: Exercise-24 with Solution
Write a Ruby program to swap the first and last elements of a given array of integers, length will be at least 1. Return the modified array.
def check_array(nums) temp = nums; nums = nums[nums.length-1]; nums[nums.length-1] = temp; return nums; end print check_array(),"\n" print check_array([1, 3]),"\n" print check_array([1, 3, 5]),"\n" print check_array([11, 3, 5, 21])
 [3, 1] [5, 3, 1] [21, 3, 5, 11]
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