Java Program To Calculate Area Of Circle

class AreaOfCircle
{  

 public static void main(String args[])  

    {   
             
Scanner s= new Scanner(System.in);    
             
System.out.println("Enter the radius:");
        
double r= s.nextDouble(); 
        
double  area=(22*r*r)/7 ;  
      
System.out.println("Area of Circle is: " + area);         
}
}


Output:

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