用友校园招聘笔试题

编程语言 · 历年真题改编 · 题号 41573
单选题编程语言难度 3真题改编 · 2023中大厂

题目

public class Animal { public static void eat(){ System.out.println("Animal eat"); } public void run(){ System.out.println("Animal Running"); } } public class Dog extends Animal { public static void eat(){ System.out.println("Dog eat"); } public void run(){ System.out.println("Dog Running"); } } public class Test { public static void main(String[] args) { Animal animal = new Animal(); Animal dog = new Dog(); animal.run(); dog.run(); animal.eat(); dog.eat(); } }

选项4 个

A编译错误
BAnimal Running Animal Running Animal eat Animal eat
CAnimal Running Dog Running Animal eat Dog eat
DAnimal Running Dog Running Animal eat Animal eat
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