rect.java

来自「this sourse code for the hw problems in 」· Java 代码 · 共 38 行

/*
	Name: Anas Hazeen
	ID  : 991748
*/
class Rect extends GeoFigure {
     // Data Fields
	protected double width;     // input - essential attribute
	protected double length;    // input - essential attribute 
	
     // Methods
	// Constructors
	public Rect()
	{this(0, 0);}
	
	public Rect(double w, double l)
	{width = w; length = l;}
	// Modifiers
	public void setWidth(double w) { width = w;}
	public void setLength(double l) { length = l;}
		
	// Accessors:
	final public double getWidth() { return width;}
	final public double getLength() { return length;}
	
	public double computeArea() { 
		return length * width;
	}
	public double computePerimeter() {
		return 2 * (length + width);
	}
	public String toString()
	{ 
		return "Rectangle: " + length + ", " + width; 
	}

 } // class Rect