job_application.rb

module Filters
  class Arrays
    initialize(filterad_array, pattern)
      @filteredArray = filteredArray
      @pattern = pattern
    end

    def fromPrimeCount
      if validateInputs?
        filtered
      else
        @filteredArray
      end    
    end

    def filtered
      @filteredArray.select do |element|
         PrimeNumber.is_not_prime?(countOccuredInPattern(element))
      end  
    end

    def validateInputs?
      # check wheter inputs are numeric arrays
    end  
      
  end
end     

class PrimeNumber
  def self.is_not_prime?(number)
    (2..number).each do index
      return true if number % index == 0  
    end
  end  
end  

Filters::Arrays.new(filtered_array, pattern).fromPrimeCount