package 鸟类与企鹅(LSP); /** * @author 方初阳 * @version 1.0 * @created 23-10月-2025 20:28:56 */ class Sparrow extends Bird implements Flyable { private int maxFlyHeight; private double wingSpan; public Sparrow(){ } public void finalize() throws Throwable { super.finalize(); } @Override public void fly(){ } public void forage(){ } public int getMaxFlyHeight(){ return 0; } public double getWingSpan(){ return 0; } public void getFlySpeed(){ } public void land(){ } }//end Sparrow