Circumference of circle

 import java.util.Scanner;
class Circumference 
 {  
  public static void main(String[] args) {

   int radius;
   float cir;

   Scanner sc = new Scanner(System.in);
   System.out.print("Enter Radius of the Circle: ");
   radius = sc.nextInt();

   cir = (float)(2 * 3.14 * radius);

    System.out.println("Circumference of the Circle: "+cir);
   }
  }