Circle Area Calculator with Math function - Java Language Basics

Java examples for Language Basics:Math

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Description

Circle Area Calculator with Math function

Demo Code

import java.util.Scanner;

public class CircleAreaApp
{

  static Scanner sc = new Scanner(System.in);

  public static void main(String[] args)
  {//from  w  w w. j  ava 2  s  . co m
    System.out.println("Welcome to the circle area calculator.");
    System.out.print("Enter the radius of your circle: ");
    double r = sc.nextDouble();
    double area = Math.PI * (r * r);
    System.out.println("The area is " + area);
  }

}

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