【填空题】阅读下面的程序,在不new Cat类的情况下,添加代码运行Demo的mian方法后执行Cat的eat()方法。 public class Demo { public static void main(String[] args) { Animal animal = new Cat(); ________; cat.eat(); } } class Animal{ public void eat(){ System.out.println("animal eat"); } } class Cat extends Animal{ public void eat(){ System.out.println("cat eat"); } }
发布时间:2024-03-31 20:48:57