SwingX provides JXMultiThumbSlider which may be what you are looking for.
Try getting the current look and feel from the javax.swing. UIManager and calling getUI(new JSlider()) on it. This should return the current UI used for the JSlider, which should be castable to JSliderUI.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.