package com.mycompany.areaofcircle; import java.util.Scanner; public class Areaofcircle { //Lab 2, Question 1. public static void main(String[] args) { //required variables:- radius, pi //pi is constant= 3.14 //input step. final double pi = 3.14; //ask user to enter radius number. Scanner read = new Scanner(System.in); System.out.println("Enter the radius of the circle: "); double radius = read.nextDouble(); //procesing step. double area = pi*radius*radius; System.out.println("The area of circle is "+area); } }