help me quickly please

Write anonymous inner class for the button Submit to change its background color to blue when the mouse is pressed on it (write only the anonymous inner class). (7 points) What is the output of the following question (1 Point) public class Exam { public static void main(String args[]) { try int data=25/5; System.out.print (data); } catch (ArithmeticException e) { System.out.print("D"); } finally { System.out.print(""); } System.out.print("R"); DER 5DFR SR 5FR