Perimeter.java

import java.util.Scanner;

public class Perimeter
{
 public double perimeter(double s) {
 double p = 4 * s;
 return p;
 }
 
 public double perimeter(double l, double b) {
 double p = 2 * (l + b);
 return p;
 }
 
 public double perimeter(int c, double pi, double r) {
 double p = c * pi * r;
 return p;
 }
 
 public static void main(String args[]) {
 Scanner sc = new Scanner(System.in);
 Perimeter obj = new Perimeter();
 double side = sc.nextDouble();
 System.out.println("Perimeter of Square = " + obj.perimeter(side));
 double l = sc.nextDouble();
 double b = sc.nextDouble();
 System.out.println("Perimeter of Rectangle = " + obj.perimeter(l, b));
 double r = sc.nextDouble();
 System.out.printf("Perimeter of Circle = %.4f\n",obj.perimeter(2, 3.14159, r));

 sc.close();
 } 
}