bubble_sort.rb

#!/bin/ruby

class BubbleSort
    def initialize(unsorted_array)
        @array = unsorted_array
        @swaps = 0
    end
    
    def sort
        @array.each_with_index do |val, key|
            for i in [email protected] do
                if @array[i] > @array[i+1]
                    @array[i], @array[i+1] = @array[i+1], @array[i]
                    @swaps += 1
                end
            end
        end
        
        @array
    end
    
    def get_swaps
        @swaps
    end
end

b_sort = BubbleSort.new([3,5,2,1])
sorted_array = b_sort.sort

printf("Array is sorted in %d swaps.\n", b_sort.get_swaps)
printf("First Element: %d\n", sorted_array.first)
printf("Last Element: %d\n", sorted_array.last)