overlapping a scrollbar with panel "java"

Question

when the mouse entered in scrollbar automatically this scrollbar send to fond example :

when the mouse entered in scrollbar

thanks and sorry for my english

Answer 1

I found the solution:

scrollPane.getHorizontalScrollBar().setOpaque(false);

for the scroll bar I use the Windows 10 scroll bar

UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());