Source of CircleCalculatorDemo.java

Structures and functions

public class CircleCalculatorDemo

  1: //CircleCalculatorDemo.java
  2: 
  3: import java.util.Scanner;
  4: 
  5: public class CircleCalculatorDemo
  6: {
  7:     public static void main(String[] args)
  8:     {
  9:         double radius;
 10:         System.out.println("Enter the radius of a circle in inches:");
 11:         Scanner keyboard = new Scanner(System.in);
 12:         radius = keyboard.nextDouble( );
 13:         System.out.println("A circle of radius " +
 14:                             radius + " inches");
 15:         System.out.println("has an area of " + CircleCalculator.getArea(radius) + 
 16:                                    " square inches,");
 17:         System.out.println("and a circumference of " +
 18:                             CircleCalculator.getCircumference(radius) + " inches.");
 19:     }
 20: }