Ruby program to remove common characters from two strings

Ruby program to remove common characters from two strings

class RemoveCommonCharacters
  def removeCommonCharacter
    print "Enter the first string: "
    first_string = gets.chomp.downcase
    new_first = first_string
    print "Enter the second string: "
    second_string = gets.chomp.downcase
    new_second = second_string
    char_array = first_string.split("")
    char_array.each do |v|
      unless v == " "
        if second_string.include?v
          new_first = new_first.gsub(v, "")
          new_second = new_second.gsub(v, "")
        end 
      end
    end
    puts "Original strings"
    puts "First string: #{first_string}"
    puts "Second string: #{second_string}"
    puts "After removing common characters"
    puts "First string: #{new_first}"
    puts "Second string: #{new_second}"
  end
end

p = RemoveCommonCharacters.new 
p.removeCommonCharacter


Output:

Enter the first string:  umesh kumar kushwaha
Enter the second string:  rajesh singh
Original strings
First string: umesh kumar kushwaha
Second string: rajesh singh
After removing common characters
First string: um kum kuw
Second string: j ing