public class Circle

$\{$

$2.$ public double x$,$ y; $//$ centre of the circle

$3.$ public double r; $//$ radius of circle

$//$Methods to return circumference and area

$4.$ public double circumference$()$

$\{$

$5.$ return $2*3\mathrm{.}14*$r;

$\}$

$6.$ public double area$()$

$\{$

$7.$ return $3\mathrm{.}14*$ r $*$ r;

$\}$

$\}$

$//$ User class MyMain

$8.$ class MyMain $\{$

$9.$ public static void main$($String args$[])$

$\{$

$10.$ Circle aCircle; $//$ creating reference

$11.$ aCircle $=$ new Circle$()$; $//$ creating object

$12.$ aCircle.x $=10$; $//$ assigning value to data field

$13.$ aCircle.y $=20$;

$14.$ aCircle.r $=5$;

$15.$ double area $=$ aCircle.area$()$;

$16.$ double circumf $=$ aCircle.circumference$()$;

$17.$ System.out.println$("$Radius$="+$aCircle.r$+"$ Area$="+$area$)$;

$18.$ System.out.println$("$Circumference $="+$circumf$)$;

$\}$

$\}$

Add another identifier in the class to save the color for the circle and also add a method to

return the color of any object.