/*
 * Rectangle.java
 * 
 * Version:
 *     $Id: Rectangle.java,v 1.8 2004/09/28 02:16:01 vcss231 Exp $
 *
 * Revisions:
 *     $Log: Rectangle.java,v $
 *     Revision 1.8  2004/09/28 02:16:01  vcss231
 *     use only the solution, since now students won't be fixing
 *
 *     Revision 1.3  2001/09/28 15:56:55  cs1
 *     Made all declarations one per line and commented data members
 *
 *     Revision 1.2  2000/09/18 19:12:44  cs1
 *     Modified the javadoc comments to meet standards - lrr
 *
 *     Revision 1.1  2000/09/14 17:34:21  cs1
 *     Initial revision
 *
 */

/**
 * A class that manages a rectangle given the length and width.
 *
 * @author     Paul Tymann
 *
 */

public class Rectangle {

    private double length = 1.0; 		// The length of this Rectangle
    private double width = 1.0;		// The width of this Rectangle

    /**
     * Create a new rectangle object with length and width = 1.0     
     */

    public Rectangle() {
    }

    /**
     * Create a new rectangle object given the length and width of the
     * rectangle.
     *
     * @param    rLength  length of the rectangle.  Must be greater than 0.
     * @param    rWidth   width of the rectangle.  Must be greater than 0.
     */

    public Rectangle( double rLength, double rWidth ) {
	length = rLength;
	width = rWidth;
    }

    /**
     * Return the length of the rectangle.
     *
     * @return   the length of the rectangle.
     */

    public double getLength() {
	return length;
    }

    /**
     * Return the width of the rectangle.
     *
     * @return   the width of the rectangle.
     */

    public double getWidth() {
	return width;
    }

    /**
     * Return the perimeter of the rectangle.
     *
     * @return   the perimeter of the rectangle.
     */

    public double getPerimeter() {
	return 2 * ( length + width );
    }

    /**
     * Return the area of the rectangle.
     *
     * @return   the area of the rectangle.
     */

    public double getArea() {
	return length * width;
    }

    /**
     * Change the length of the rectangle to the new length given
     *
     * @param    newLength  length of the rectangle.  Must be greater than 0
     */

    public void setLength( double newLength ) {
	length = newLength;
    }

    /**
     * Change the width of the rectangle to the new width given
     *
     * @param    newWidth  width of the rectangle.  Must be greater than 0
     */

    public void setWidth( double newWidth ) {
	width = newWidth;
    }


} // Rectangle