how to remove all components from layeredPane java code example

Example 1: how to remove all components from layeredPane java

panel.revalidate();
 panel.repaint();

Example 2: how to remove all components from layeredPane java

void    remove(int index)

Example 3: how to remove all components from layeredPane java

remove(Component comp)

Example 4: how to remove all components from layeredPane java

removeAll()