阅读下段代码, class Dog { public String name; Dog(String name){ this.name =name; }} public class Demo1 { public static void main(String[] args){ Dog dog1 = new Dog("xiaohuang"); Dog dog2 = new Dog("xiaohuang"); String s1 = dog1.toString(); String s2 = dog2.toString(); String s3 = "xiaohuang"; String s4 = "xiaohuang"; } } 返回值为true的是()

中国大学MOOC: 下列Dog类，错误的描述是：class Dog{ Dog(int m){} Dog(double m){} int Dog(int m){ return 1;} void Dog(double m){}}

填写如下代码，定义一个类Dog。Table 1 Dog类1：...his dogs size: small

命令：>;>;>;pets=('dog','cat','bird','dog')>;>;>;pets.index('dog')执行结果为： A: 0 B: 1 C: 2 D: 3

unit 7 telling apart task 1 选出你所听到的正确的词组 1 I like that beautiful'toy dog/toy'dog. A: 'toy dog B: toy'dog

The dog belongs to (1)____________. A: column A B: column B

public class Dog{}补全代码，创建Dog类的实例对象，赋值给引用d。 1 2 = 3 4 ;1、______ ；2、______ ；3、______ ；4、______ 。

The dog belongs to (1)____________. A: 9:00 B: 7:30 C: 1:30

对于下列Dog类，下列叙述错误的是：class Dog{ Dog(){ } Dog(int m){ } Dog(double m){ } int Dog(int m){ return m; }} A: Dog(int m)与Dog(double m)是重载的构造方法； B: Dog(int m)与int Dog(int m)是重载的构造方法； C: Dog d=new Dog();对象d创建时会调用Dog()构造方法； D: Dog d=new Dog(10);对象d创建时会调用Dog(int m)构造方法；

If someone asks about the "breed"of your dog, they want to know the ________________. A: age of the dog B: sex of the dog C: type of dog D: name of the dog