33.Program for calculate area

import java.util.*;

class sample

{

            int s,l,b;

            double r;

            void area(int a)

            {

                        int area1;

                        s=a;

                        area1=s*s;

                        System.out.println("Area square="+area1);

            }

            void area(double b)

            {

                        double area2;

                        r=b;

                        area2=3.14*r*r;

                        System.out.println("Area circle="+area2);

            }

            void area(int c,int d)

            {

                        int area3;

                        l=c;

                        b=d;

                        area3=l*b;

                        System.out.println("Area rectangle="+area3);

            }

}

class display

{

            public static void main(String args[])

            {

                        Scanner sc=new Scanner(System.in);

                        sample ob=new sample();

                        System.out.println("Enter side of square:");

                        int a=sc.nextInt();

                        System.out.println("Enter radius of circle:");

                        double b=sc.nextDouble();

                        System.out.println("Enter length & breadth of rectangle:");

                        int c=sc.nextInt();

                        int d=sc.nextInt();

                        ob.area(a);

                        ob.area(b);

                        ob.area(c,d);

            }

}