// package chapter6;

/**
 * Title:        Chapter 6, "Programming with Objects and Classes"
 * Description:  Examples for Chapter 6
 * Copyright:    Copyright (c) 2000
 * Company:      Armstrong Atlantic State University
 * @author Y. Daniel Liang
 * @version 1.0
 */
// TotalArea.java: Test passing an array of objects to the method
public class TotalArea
{
  /**Main method*/
  public static void main(String[] args)
  {
    // Declare circleArray
    CircleWithAccessors[] circleArray;

    // Create circleArray
    circleArray = createCircleArray();

    // Print circleArray and total areas of the circles
    printCircleWithAccessorsArray(circleArray);
  }

  /**Create an array of CircleWithAccessors objects*/
  public static CircleWithAccessors[] createCircleArray()
  {
    CircleWithAccessors[] circleArray = new CircleWithAccessors[10];

    for (int i=0; i<circleArray.length; i++)
    {
      circleArray[i] = new CircleWithAccessors(Math.random()*100);
    }

    // Return CircleWithAccessors array
    return circleArray;
  }

  /**Print an array of circles and their total area*/
  public static void printCircleWithAccessorsArray
    (CircleWithAccessors[] circleArray)
  {
    System.out.println("The radii of the circles are");
    for (int i=0; i<circleArray.length; i++)
    {
      System.out.print("\t\t\t\t" +
        circleArray[i].getRadius() + '\n');
    }

    System.out.println("\t\t\t\t-------------------");

    // Compute and display the result
    System.out.println("The total areas of circles is \t" +
      sum(circleArray));
  }

  /**Add circle areas*/
  public static double sum(CircleWithAccessors[] circleArray)
  {
    // Initialize sum
    double sum = 0;

    // Add areas to sum
    for (int i = 0; i < circleArray.length; i++)
      sum += circleArray[i].findArea();

    return sum;
  }
}