import java.io.*; import java.util.*; class Circle { public static void main(String[]args) { Scanner x = new Scanner(System.in); double radius; double diameter; double circumference; System.out.println("Enter the value of radius"); radius=x.nextDouble(); diameter=x.nextDouble(); circumference=x.nextDouble(); diameter=(2*r); circumference=(2*3.14*r); double area=(3.14*r*r); System.out.println("Diameter is" + diameter); System.out.println("Circumfernce is" + circumfernce); System.out.println("Area is" + area); } }