Rect2D.java

public class Rect2D implements Shape {
	int width, height;

	public Rect2D(int width, int height) {
		setWidth(width);
		setHeight(height);
	}

	public int getWidth() {
		return width;
	}

	public void setWidth(int width) {
		this.width = width;
	}

	public int getHeight() {
		return height;
	}

	public void setHeight(int height) {
		this.height = height;
	}

	// Interface'deki iki method dolduruluyor.
	public double getArea() {
		return width * height;
	}

	public double getEnv() {
		return 2 * (width + height);
	}

}