AreaofCircle.txt

public class Ex10_Main {public static void main (String [] args)
{
    Ex_Q10 A1 = new Ex_Q10 ();
    A1.UserInput();
}
}
//===================================================================
import java.util.Scanner;
public class Ex_Q10 {
	 //10.	 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.
	 public static double AreaOfCircle (double radius)
	 {
	 double area = radius * radius * Math.PI;
    System.out.println("The area of the circle is : " + area);
	return area;
 }
//================================================================================================================
	public void UserInput ()
		{
	    Scanner input = new Scanner(System.in);
	    System.out.println("Enter radius of Circle: ");
	    double radius = input.nextDouble(); 
	    double area= AreaOfCircle(radius);
	  		}
}