Ruby

Returning value from a method

class Adder
  def sum(a,b)
    return a+b
  end
end

adder = Adder.new
puts adder.sum(10,20)

class Adder
  def sum(a,b)
    a+b
  end
end

adder = Adder.new
puts adder.sum(10,20)

class CapitalCityFinder

  def get_capital_city(country)
    data = { France: "Paris", India: "New Delhi", England: "London" }
    city = data[country.to_sym]
    return city
  end

  def info(country)
    city = get_capital_city(country)
    puts "The capital of #{country} is #{city}"
  end
end

finder = CapitalCityFinder.new
finder.info("India")

class CapitalCityFinder

  def get_capital_city(country)
    data = { France: "Paris", India: "New Delhi", England: "London" }
    city = data[country.to_sym]
  end

  def info(country)
    city = get_capital_city(country)
    puts "The capital of #{country} is #{city}"
  end
end

finder = CapitalCityFinder.new
finder.info("India")