Cant update background of JPanel using paintComponent to set its background

Cant update background of JPanel using paintComponent to set its background

References

Reference NO 1

http://stackoverflow.com/questions/15188788/cant-update-background-of-jpanel-using-paintcomponent-to-set-its-background

Reference NO 2

http://stackoverflow.com/questions/16323895/how-to-add-jpanel-components-on-top-of-a-painted-background

Reference NO 3

http://stackoverflow.com/questions/16467526/i-need-to-set-a-background-image-for-a-java-desktopapplication

Reference NO 4

http://stackoverflow.com/questions/13713951/linking-together-a-jpanel-and-paintcomponent

Reference NO 5

http://stackoverflow.com/questions/10148421/jpanel-setbackgroundcolor-black-does-nothing

Reference NO 6

#EANF#

Reference NO 7

#EANF#

Reference NO 8

#EANF#