package 矩形与正方形（LSP）;


/**
 * 褰㈢姸鎺ュ彛锛堥潪 public锛屽彲鏀惧湪鍚屼竴鏂囦欢锛?
 * @author 方初阳
 * @version 1.0
 * @created 23-10月-2025 20:05:46
 */
interface Shape {

	public double getArea();

}