package chapter8;

/**
 * Title:        Chapter 8, "Class Inheritance and Interfaces"
 * Description:  Examples for Chapter 8
 * Copyright:    Copyright (c) 2000
 * Company:      Armstrong Atlantic State University
 * @author Y. Daniel Liang
 * @version 1.0
 */
// GeometricObject.java: The abstract GeometricObject class
public abstract class GeometricObject
{
  private String color = "white";
  private boolean filled;

  /**Default construct*/
  protected GeometricObject()
  {
  }

  /**Construct a geometric object*/
  protected GeometricObject(String color, boolean filled)
  {
    this.color = color;
    this.filled = filled;
  }

  /**Getter method for color*/
  public String getColor()
  {
    return color;
  }

  /**Setter method for color*/
  public void setColor(String color)
  {
    this.color = color;
  }

  /**Getter method for filled. Since filled is boolean,
     so, the get method name is isFilled*/
  public boolean isFilled()
  {
    return filled;
  }

  /**Setter method for filled*/
  public void setFilled(boolean filled)
  {
    this.filled = filled;
  }

  /**Abstract method findArea*/
  public abstract double findArea();

  /**Abstract method findPerimeter*/
  public abstract double findPerimeter();
}