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package 鸟类与企鹅（LSP）;
/**
* @author 方初阳
* @version 1.0
* @created 23-10月-2025 20:28:42
*/
class Penguin extends Bird {
private String habitat;
private double swimSpeed;
private double weight;
public Penguin(){
}
public void finalize() throws Throwable {
super.finalize();
public double getWeight(){
return 0;
public void slide(){
public void swim(){
}//end Penguin
