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Animal is a super-ordinate term, while cow, horse, pig, dog, cat, etc. are().
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更多 “Animal is a super-ordinate term, while cow, horse, pig, dog, cat, etc. are().” 相关考题
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有如下程序: include using namespaee std;class Animal{ public: virtual char*g
有如下程序:include<iostream>using namespaee std;c lass Animal{public:virtual char*getType( )const{return"Animal";}virtual char*getVoice( )const{return"Voice";}};class Dog:public Animal{public:char*getType( )const{return"Dog";}char*getVoice( )eonst{return"Woof";}};void type(AnimalA) {cout<<a.getType( );}void speak(Animal A) {eout<<a.getVoice( );}int main( ){Dog d;type(D) ;cout<<"speak";speak(D) ;cout return 0;}程序的输出结果是______。
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( 12 )有如下程序:#include iostreamusing namespace stdclass Animal{public:virtual char* getType () const { return "Animal" ; }virtual char* getVoice () const { return "Voice" ; }};Class Dog : public Animal {public:char* getType ( ) const {return "Dog" ; }char* getVoice ( ) const {return "Woof"}};void type ( Animal a ) {couta.getType ( ) ; }void speak ( Animal a ) {couta.getVoice ( ) ; }int main ( ) {Dog d; type ( d ) ; cout" speak" ; speak ( d ) ; coutendi;return 0;}运行时的输出结果是【 12 】 。
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若Animal是Cat,Dog的父类,则下列选项中,正确的是()。
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dog是animal的子类,下面代码错误的是_________。
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Given:Which three are true?()
A.Cat is-a AnimalB.Cat is-a JumperC.Dog is-a AnimalD.Dog is-a JumperE.Cat has-a AnimalF.Beagle has-a TailG.Beagle has-a Jumper
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"i don't have money to fight him. these people are all the time in court, anyway." philip says. "but _______ and i have lots of patience,"
A、every cat is luckyB、every dog has its dayC、every cat has its dayD、every dog is fortunate
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设有以下说明和定义:typedef union {long i; int k[5]; char c;} DATE;struct data { int cat; DATE cow; double dog;} too;DATE max;则语句 printf("%d",sizeof(struct date)+sizeof(max));的执行结果是:___52____
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设有以下说明和定义:typedef union{ long i;int k[5];char c; } DATE;struct date{ int cat;DATE cow;double dog; }too;DATE max;则下列语句的执行结果是______。printf("%d",sizeof (struct date) +sizeof(max));A.26B.30C.18D.8
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BGood evening, ladies and gentlemen, I’m Roy , and this is my show. This is a television show for all families, and I know you’ll enjoy it.Let’s start with a story. Once there was a proud pig on a farm . He thought he was the most important of all the animals on the farm. But it was not enough that he himself thought this: he had to be sure that other animals thought it, too. So he went up to a chicken and asked, “ Who is the most important animal on the farm?” The chicken answered, “ You are, Mr. Pig .” Then he asked a dog, and he got the same reply.Next, he asked a cow. When the cow seemed uncertained of the right answer, the pig looked angry, and showed his teeth, “ Oh, you are, of course, Mr. Pig.” said the cow. “ Of course, ” the pig said, “ there is no doubt about it. ”At last the pig asked a big horse the same question. The horse lifted one foot, rolled the pig over and placed his foot on the pig’s head. “ I think you know the answer now. ” said the horse.61. The Roy show is _________ .A. a family show on TV B. for kids only C. a sports show
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When the pig asked a dog, the dog ________ .A. said nothing B. said the pig was the most importantC. said the pig was as important as the horse
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The horse thought ________ was the most important on the farm.A. he himself B. the pig C. the cow
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What’s the best title of this passage?__________ .A. A pig and a cow B. A farm C. The most important animal
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According to the passage we can see that Chinese people think of the pig as a ______animal.A. cleverB. richC. goodD. all the above
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classCatextendsAnimal{}对于下述代码说法正确的是()A、Cat是Animal的子类B、Animal是Cat的子类C、Cat是Animal的超类D、Animal一定是抽象类
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10. interface Jumper { public void jump(); } ...... 20. class Animal {} ...... 30. class Dog extends Animal { 31. Tail tail; 32. } ...... 40. class Beagle extends Dog implements Jumper { 41. public void jump() { } 42. } ....... 50. class Cat implements Jumper { 51. public void jump() { } 52. } Which three are true?()A、 Cat is-a AnimalB、 Cat is-a JumperC、 Dog is-a AnimalD、 Dog is-a JumperE、 Cat has-a AnimalF、 Beagle has-a TailG、 Beagle has-a Jumper
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11. class Animal { public String noise() { return “peep”; } } 12. class Dog extends Animal { 13. public String noise() { return “bark”; } 14. } 15. class Cat extends Animal { 16. public String noise() { return “meow”; } 17. } ..... 30. Animal animal = new Dog(); 31. Cat cat = (Cat)animal; 32. System.out.printIn(cat.noise()); What is the result?() A、 peepB、 barkC、 meowD、 Compilation fails.E、 An exception is thrown at runtime.
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public class Pet{ public void speak(){ System.out.print(“ Pet ”); } } public class Cat extends Pet{ public void speak(){ System.out.print(“ Cat ”); } } public class Dog extends Pet{ public void speak(){ System.out.print(“ Dog ”); } } 执行代码 Pet[] p = {new Cat(),new Dog(),new Pet()}; for(int i=0;i〈p.length;i++) p[i].speak(); 后输出的内容是哪项?() A、Pet Pet PetB、Cat Cat CatC、Cat Dog PetD、Cat Dog Dog
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多选题Given: 10. interface Jumper { public void jump(); } ... 20. class Animal {} ... 30. class Dog extends Animal { 31. Tail tail; 32. } ... 40. class Beagle extends Dog implements Jumper{ 41. public void jump() {} 42. } ... 50. class Cat implements Jumper{ 51. public void jump() {} 52. }. Which three are true?()ACat is-a JumperBCat is-a AnimalCDog is-a JumperDDog is-a AnimalEBeagle has-a JumperFCat has-a AnimalGBeagle has-a Tail
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单选题11. class Animal { public String noise() { return “peep”; } } 12. class Dog extends Animal { 13. public String noise() { return “bark”; } 14. } 15. class Cat extends Animal { 16. public String noise() { return “meow”; } 17. } ..... 30. Animal animal = new Dog(); 31. Cat cat = (Cat)animal; 32. System.out.printIn(cat.noise()); What is the result?()A
peepB
barkC
meowD
Compilation fails.E
An exception is thrown at runtime.
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单选题The noise was caused by a dog()a cat through the garden.A
chasingB
followingC
catchingD
fighting
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单选题public class Pet{ public void speak(){ System.out.print(“ Pet ”); } } public class Cat extends Pet{ public void speak(){ System.out.print(“ Cat ”); } } public class Dog extends Pet{ public void speak(){ System.out.print(“ Dog ”); } } 执行代码 Pet[] p = {new Cat(),new Dog(),new Pet()}; for(int i=0;i〈p.length;i++) p[i].speak(); 后输出的内容是哪项?()A
Pet Pet PetB
Cat Cat CatC
Cat Dog PetD
Cat Dog Dog
考题
单选题在Java中,类Animal中的方法printA()定义如下: public void printA() { Int a=10; Int result =10%3; System.out.println(result); } 在类Dog中方法printA()定义如下: public void printA() { Int a=10; System.out.println(a/3); } Dog类的定义如下: Class Dog extends Animal{…}. Animal animal=new Dog(); animal.printA(); 以上语句输出结果为()。A
0B
1C
2D
3E
3.3333
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多选题10. interface Jumper { public void jump(); } ...... 20. class Animal {} ...... 30. class Dog extends Animal { 31. Tail tail; 32. } ...... 40. class Beagle extends Dog implements Jumper { 41. public void jump() { } 42. } ....... 50. class Cat implements Jumper { 51. public void jump() { } 52. } Which three are true?()ACat is-a AnimalBCat is-a JumperCDog is-a AnimalDDog is-a JumperECat has-a AnimalFBeagle has-a TailGBeagle has-a Jumper
考题
单选题1. class Animal { Animal getOne() { return new Animal(); } } 2. class Dog extends Animal { 3. // insert code here 4. } 5. 6. class AnimalTest { 7. public static void main(String [] args) { 8. Animal [] animal = { new Animal(), new Dog() } ; 9. for( Animal a : animal) { 10. Animal x = a.getOne(); 11. } 12. } 13. } 和代码: 3a. Dog getOne() { return new Dog(); } 3b. Animal getOne() { return new Dog(); } 第 3 行中插入的哪项将编译且运行无异常?()A
3a行B
3b行C
3a行或3b行D
既非3a,也非3b
考题
单选题class Animal{ Animal getOne(){return new Animal();}} class Dog extends Animal{ //insert code here } class AnimalTest{ public static void main(String[] args){ Animal[] animal={ new Animal(), new Dog()}; for(Animal a:animal){ Animal x= a.getOne(); } } } 和代码: 3a.Dog getOne() { return new Dog();} 3b.Animal getOne() { return new Dog();} 第3行中插入的哪项编译且运行无异常?A
3a行或3b行B
既非3a,也非3bC
3a行D
3b行
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