franck.cse5910

Class Rectangle

java.lang.Object

franck.cse5910.Shape

franck.cse5910.Rectangle

All Implemented Interfaces:

Comparable<Rectangle>

Direct Known Subclasses:

Square

public class Rectangle
extends Shape
implements Comparable<Rectangle>

A class for representing a rectangle.

Constructor Summary

Constructors

Constructor and Description
Rectangle() Initializes the width and height of this rectangle to zero.
Rectangle(int width, int height) Initializes this rectangle with the given width and height.

Method Summary

Methods

Modifier and Type	Method and Description
int	compareTo(Rectangle other) Compares this rectangle with the given rectangle.
boolean	equals(Object other) Tests if this rectangle is the same as the given object, that is, the object is an instance of this class and has the same width and height as this rectangle.
double	getArea() Returns the area of this rectangle.
int	getHeight() Returns the height of this rectangle.
static Rectangle	getRandom() Returns a random rectangle.
int	getWidth() Returns the width of this rectangle.
String	toString() Returns a string representation of this rectangle.

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Rectangle

public Rectangle(int width,
         int height)

Initializes this rectangle with the given width and height.

Parameters:

width - The width of this rectangle.

height - The height of this rectangle.

Precondition:

width >= 0, height >= 0

Rectangle

public Rectangle()

Initializes the width and height of this rectangle to zero.

Method Detail

getRandom

public static Rectangle getRandom()

Returns a random rectangle.

Returns:

a random rectangle.

getWidth

public int getWidth()

Returns the width of this rectangle.

Returns:

The width of this rectangle.

getHeight

public int getHeight()

Returns the height of this rectangle.

Returns:

The height of this rectangle.

getArea

public double getArea()

Returns the area of this rectangle.

Specified by:

getArea in class Shape

Returns:

The area of this rectangle.

toString

public String toString()

Returns a string representation of this rectangle. For example, the string representation of new Rectangle(1, 2) is "Rectangle of width 1 and height 2".

Overrides:

toString in class Object

Returns:

A string representation of this rectangle.

equals

public boolean equals(Object other)

Tests if this rectangle is the same as the given object, that is, the object is an instance of this class and has the same width and height as this rectangle.

Overrides:

equals in class Object

Parameters:

other - Another object.

Returns:

true if this and the other object are the same, false otherwise.

compareTo

public int compareTo(Rectangle other)

Compares this rectangle with the given rectangle. Returns a negative integer, zero, or a positive integer as this rectangle's area is less than, equal to, or greater than the area of the given rectangle.

Specified by:

compareTo in interface Comparable<Rectangle>

Parameters:

other - another rectangle.

Returns:

a negative integer, zero, or a positive integer as this rectangle's area is less than, equal to, or greater than the area of the given rectangle.