area of circle

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

   int radius;
   float area;

    Scanner sc = new Scanner(System.in);

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

      radius = sc.nextInt();

    area = (float)(3.14 * radius * radius);

    System.out.println("Area of the circle: "+area);
  }
}
    
Output :  
 
      
  Enter radius of the circle
  5
  Area of the circle: 78.5