hw # 13

// Name         :   Kyle Blanchard
// Due          :   11/7/2014
// Class        :   CSCI-401
// Assignment       :   Chapter 15 Homework: Enabling GeometricObject Comparable Interface
// Contact      :   Kwblanchard@student.stcc.edu

// package csci401;

public class TestComparable {

    public static void main(String[] args) {

        Circle1 circle1 = new Circle1(5);
        Circle1 circle2 = new Circle1(4);

        Circle1 circle = (Circle1) GeometricObject1.max(circle1, circle2);

        System.out.println("The max circle's radius is " + circle.getRadius());
        System.out.println(circle);

    }
}

abstract class GeometricObject1 implements Comparable<GeometricObject1> {

    private String color = "white";
    private boolean filled;
    private java.util.Date dateCreated;

    protected GeometricObject1() {
        dateCreated = new java.util.Date();
    }

    protected GeometricObject1(String color, boolean filled) {
        dateCreated = new java.util.Date();
        this.color = color;
        this.filled = filled;
    }

    public String getColor() {
        return color;
    }

    public void setColor(String color) {
        this.color = color;
    }

    public boolean isFilled() {
        return filled;
    }

    public void setFilled(boolean filled) {
        this.filled = filled;
    }

    public java.util.Date getDateCreated() {
        return dateCreated;
    }

    public String toString() {
        return "created on " + dateCreated + "\ncolor: " + color
                + " and filled: " + filled;
    }

    public abstract double getArea();

    public abstract double getPerimeter();

    public static GeometricObject1 max(GeometricObject1 a, GeometricObject1 b) {
        return (a.getArea() > b.getArea() ? a : b);
    }
}

class Circle1 extends GeometricObject1 {
    private double radius;

    public Circle1() {
    }

    public Circle1(double radius) {
        this.radius = radius;
    }

    public double getRadius() {
        return radius;
    }

    public void setRadius(double radius) {
        this.radius = radius;
    }

    @Override
    public double getArea() {
        return radius * radius * Math.PI;
    }

    public double getDiameter() {
        return 2 * radius;
    }

    @Override
    public double getPerimeter() {
        return 2 * radius * Math.PI;
    }

    public String toString() {
        return "The radius is " + radius;
    }

    public int compareTo(GeometricObject1 other) {
        Circle1 circleB = (Circle1) other;
        if (this.radius > circleB.radius) {
            return 1;
        } else if (this.radius == circleB.radius) {
            return 0;
        } else
            return -1;
    }
}