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Ruby Array Exercises: Check whether 7 appears as either the first or last element in a given array

Ruby Array: Exercise-2 with Solution

Write a Ruby program to check whether 7 appears as either the first or last element in a given array. The array length must be 1 or more.

Ruby Array Exercises: Check whether 7 appears as either the first or last element in an given array

Ruby Code:

def check_array(nums)
   return (nums[0] == 7 || nums[nums.length-1] == 7)
end
print check_array([1, 2, 7]),"\n"
print check_array([7, 1, 2, 3]),"\n"
print check_array([14, 7, 1, 2, 3])

Output:

true
true
false

Flowchart:

Flowchart: Check whether 7 appears as either the first or last element in a given array

Ruby Code Editor:

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