caculate area using class simple program in java

PROGRAM 2

Write a program to calculate area using class

class area

{         

            int x=5;

            double ar;

            void display()

            {

                        ar=(3.14*x*x);

                        System.out.println(" \n \n THE AREA OF CIRCLE IS = "+ar);

            }

}

class programno12

{

            public static void main(String str[])

            {

                        area d;

                        d=new area();

                        d.display();     

            }

}