public class ShapesImpIF implements ShapesIF{


	@Override
	public int areaRec(int length, int width) {
		// TODO  compute area of rectangle
		return length*width;
	}

	@Override
	public int areaRec(int width) {
		// TODO compute area of square
		return areaRec(width,width);
	}

	@Override
	public double areaEllipse(int major, int minor) {
		// TODO compute area of ellipse
		return major*minor*PI;
	}

	@Override
	public double areaEllipse(int radius) {
		// TODO compute area of circle
		return areaEllipse(radius,radius);
	}


	public void doRectangularShapes(){
		// area of a rectangle
		System.out.println("9 by 5 rectangle has area " + areaRec(9,5));

		// area of square
		System.out.println("square with width 12 has area " + areaRec(12));
	}
	
	public void doOvalShapes(){
		// area of an ellipse
		System.out.println("major 9 by minor 5 ellipse has area " + areaEllipse(9,5));

		// area of a circle
		System.out.println("circle with radius 12 has area " + areaEllipse(12));    	
	}


	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
        ShapesImpIF shapes = new ShapesImpIF();
        
        shapes.doRectangularShapes();
        System.out.println();
        shapes.doOvalShapes();
	}

}