/* Write an application that prompts the user for the radius of a circle and uses a method called circleArea to calculate the area of the circle */import java. util.*;class AreaCircle{double circleArea(double radius){ return(Math. PI*radius*radius);}public static void main(String args[]){ AreaCircle ob=new AreaCircle(); Scanner Sc=new Scanner(System. in); System. out. println("Enter the Radius of the Circle: "); double r=Sc. nextDouble(); double area=ob. circleArea(r); System. out. println("The area of the circle is: "+area);}}