Java program to print the area and perimeter of a circle.

CODE:

import java.util.*;

import java.lang.Math.*;

class prac1C

{

public static void main(String args[])

{

double r,perimeter,Area;

Scanner ob=new Scanner(System.in);

System.out.print("Enter the Radius of Circle: ");

r=ob.nextDouble();

perimeter =2*Math.PI*r;

Area=Math.PI*r*r;

System.out.println("Perimeter of Circle is: "+perimeter);

System.out.println("Area of Circle is: "+Area);

}

}