EventQueue = java.awt.EventQueue
EventQueue.invoke_later {
  puts "VVS"
}

ArgumentError: wrong # of arguments(0 for 1)

# I need to pop-up a Frame properly,
# to avoid deadlocks.
# And this code is UGLY. :)

EventQueue = java.awt.EventQueue
class FrameBringer
  include java.lang.Runnable
  def initialize(frame)
    @frame = frame
  end
  def run
    @frame.visible = true
  end
end

EventQueue.invoke_later(FrameBringer.new(frame))