The language is Java Calculate the area of circle given its radius. Use Math.PI for pi, Math.pow( ) to square the radius, and the following template.

The template for this program is:

import javax.swing.*;

public class CircleArea {

public static void main (String [] args) {

double radius;

double area;

String input =

JOptionPane.showInputDialog(Enter the radius);

radius = Double.parseDouble(input);

// put the problem solution here

JOptionPane.showMessageDialog(null,

String.format(Area: %.2f, area));

return;

}

}