time.rb

class TimePeriod
  attr_accessor :seconds

  def hours
    seconds / 3600
  end

  def hours=(value)
    seconds = value * 3600
    hours
  end
end

t = TimePeriod.new
t.hours = 24
puts "Time in hours: #{t.hours}"

time.scala

class TimePeriod() {  
 var seconds = 0 

 // Getter 
 def hours = seconds / 3600

 // Setter 
 def hours_= (value:Int):Unit = _seconds = value * 3600
}