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  • \$\begingroup\$ f.setSize(n,668); - depends heavily on the used Theme, but I'll accept it. \$\endgroup\$ Commented Mar 8, 2014 at 9:11
  • \$\begingroup\$ You can drop the imports in Java because they're auto-generated anyway. \$\endgroup\$ Commented Mar 8, 2014 at 9:23
  • \$\begingroup\$ I also see double where float could be used if you tried \$\endgroup\$ Commented Mar 8, 2014 at 9:29
  • \$\begingroup\$ JFrame => Frame shaves off 2 chars. Although you can't close the window anymore. ;) \$\endgroup\$ Commented Mar 8, 2014 at 15:01
  • 2
    \$\begingroup\$ Your class do not need to be public. Further, use Java 8 to get rid of the final modifier. And you must not omit the imports in order to be a complete submission. \$\endgroup\$ Commented Mar 10, 2014 at 4:53