Source of CircleCalculatorDemo.java

Structures and functions

public class CircleCalculatorDemo

  1: import java.util.Scanner;
  2: 
  3: public class CircleCalculatorDemo
  4: {
  5:     public static void main(String[] args)
  6:     {
  7:         double radius;
  8:         System.out.println("Enter the radius of a circle in inches:");
  9:         Scanner keyboard = new Scanner(System.in);
 10:         radius = keyboard.nextDouble( );
 11:         System.out.println("A circle of radius " +
 12:                             radius + " inches");
 13:         System.out.println("has an area of " + CircleCalculator.getArea(radius) +
 14:                                    " square inches,");
 15:         System.out.println("and a circumference of " +
 16:                             CircleCalculator.getCircumference(radius) + " inches.");
 17:     }
 18: }