动物类
java多态的使用(猫、狗)
java多态的使⽤（猫、狗）对象的多态性：动物 x = new 猫();函数的多态性：函数重载、重写。多态的前提：必须是类与类之间只有关系，要么继承或实现；通常还有⼀个前提，存在覆盖。多态的好处：多态的出现⼤⼤的提⾼了程序的扩展性。//需求：猫，狗。java重载//创建⼀个动物类abstract class Animal {abstract void eat();}//创建⼀个猫类并继承动物类cl...
动物类英语作文:疾驰的金钱豹
retractable动物类英语作文：疾驰的金钱豹The cheetah is the fastest land animal in the world. It can reach speeds of up to 75 miles per hour. It is also the most graceful of all the big cats, with its slender body, l...
