现有:  class Cat {  Cat(int c) { System.out.print("cat" + c + " "); }  }  class SubCat extends Cat {  SubCat(int c) { super(5); System.out.print("cable "); }  SubCat() { this(4); }  public static void main(String [] args) {  SubCat s = new SubCat();  }  } 结果为:() A、cat5B、cableC、cable cat5D、cat5 cable

现有:  class Cat {  Cat(int c) { System.out.print("cat" + c + " "); }  }  class SubCat extends Cat {  SubCat(int c) { super(5); System.out.print("cable "); }  SubCat() { this(4); }  public static void main(String [] args) {  SubCat s = new SubCat();  }  } 结果为:() 

  • A、cat5
  • B、cable
  • C、cable cat5
  • D、cat5 cable

相关考题:

LTE中UE的等级有几个?A.Cat1B.Cat2C.Cat3D.Cat4E.Cat5F.Cat6

如下程序的输出结果是______。 include using namespace std; class Pet{ char nam 如下程序的输出结果是______。include<iostream>using namespace std;class Pet{char name[10];public:Pet(char*nanle){strcpy(this->name,name);}const char*getName( )const{return name;}virtual void call( )eonst=0;};class Dog:public Pet{public:Dog(char*name):Pet(name){ }void call( )eonst{cout<<"汪汪叫";}};class Cat:public Pet{public:Cat(char*name):Pet(name){ }void call( )const{eout<<"喵喵叫";}};int main( ){Pet*petl=new Dog("哈克"),*pet2=new Cat("吉米");eout<<petl->getName( );petl->call( );eout<<endl;cout<<pet2->getName( );pet2->call( );eout<<endl;return 0;}

现有:classCat{Cat(intc){System.out.print(cat+c+);}}classSubCatextendsCat{SubCat(intc){super(5);System.out.print(cable);}SubCat(){this(4);}publicstaticvoidmain(String[]args){SubCats=newSubCat();}}结果为:()A.cat5B.cableC.cablecat5D.cat5cable

现有两个类A,B,以下描述中表示B继承自A的是 ( )A.class A extends BB.class B implements AC.class A implements BD.class B extends A

有如下程序: include using namespace std; class Pet{ char name[10]; public: Pet(c 有如下程序:include<iostream>using namespace std;class Pet{char name[10];public:Pet(char*name){strcpy(this->name,name);}const char*getName()const {return name;}virtual void call()const=0;};class Dog:public Pet{public:Dog(char*name):Pet(name){}void call()const{cout<<"汪汪叫":}};class Cat:public Pet{public:Cat(char*name):Pet(name){}void call()const{cout<<"喵喵叫";}};int main(){Pet*pet1=new Dog("哈克"),*pet2=new Cat("吉米");cout<<pet1->getName();pet1->call();cout<<end1;cout<<pet2->getName();pet2->call();cout<<end1;return 0;}程序的输出结果是______。

WhichofthefollowingcabletypesshouldbeusedtoachieveGigabitEthernetspeed?() A.CAT5B.CAT3C.CAT6D.Thicknet

CPE终端能力等级()。 A.Cat1B.Cat2C.Cat3D.Cat4

cat testfile的输出与下面哪个命令相同?()A、cat>testfileB、cat<testfileC、cat>>testfileD、cat<<testfile

Which of the following is correct about differences in CAT5 and CAT6 connectors?()A、CAT5 connectors have locking tabsB、CAT5 and CAT6 use the same connectorsC、CAT6 supports three different wiring standardsD、CAT6 connectors are longer for better contact

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

public class Pet{}  public class Cat extends Pet{}   执行代码   Cat c = new Cat();   Pet p = (Pet)c;   下列哪项是正确的? A、Pet p = (Pet)c正常执行B、Pet p = (Pet)c编译错误C、Pet p = (Pet)c运行错误D、以上都不对

在哪个文件中定义网卡的I/O地址?()A、cat/proc/modulesB、cat/proc/devicesC、cat/proc/ioportsD、cat/io/dma

CPE终端能力等级()。A、Cat1B、Cat2C、Cat3D、Cat4

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.

现有:   public class Pet()  public class Cat extends Pet{)      执行代码  Cat c- new Cat();      Pet p=  (Pet)c;  后下列哪项是正确的?()    A、 Pet p=(Pet)c运行错误B、 Pet p=(Pet)c编译错误C、 Pet p= (Pet)c止常执行D、以上都不对

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

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

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.

单选题现有:   public class Pet()  public class Cat extends Pet{)      执行代码  Cat c- new Cat();      Pet p=  (Pet)c;  后下列哪项是正确的?()A Pet p=(Pet)c运行错误B Pet p=(Pet)c编译错误C Pet p= (Pet)c止常执行D以上都不对

单选题现有: public class Pet( ) public class Cat extends Pet{) 执行代码 Cat c- new Cat( ); Pet p= (Pet)c; 后下列哪项是正确的?()APetp=(Pet)c运行错误BPetp=(Pet)c编译错误CPetp=(Pet)c止常执行D以上都不对

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?()APet Pet PetBCat Cat CatCCat Dog PetDCat Dog Dog

单选题public class Pet{}  public class Cat extends Pet{}   执行代码   Cat c = new Cat();   Pet p = (Pet)c;   下列哪项是正确的?APet p = (Pet)c正常执行BPet p = (Pet)c编译错误CPet p = (Pet)c运行错误D以上都不对

单选题To achieve fluency, when should correction be conducted?AAfter class.BThe moment error occurs.CAt the summary stage of the activity.DDuring the course of the communication.

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

单选题现有:      class Cat  {      Cat (int c)  {System.out.print {"cat"+c+" ");  }      }      class SubCat extends Cat  {      SubCat (int c){super (5); System.out.print ("cable");}      SubCat()  {  this (4);  }      public static void main (String  []  args)  {      SubCat s= new SubCat();      }      }     结果为:()A cat5B cableC cat5 cableD cable cat5

单选题现有:  class Cat {  Cat(int c) { System.out.print("cat" + c + " "); }  }  class SubCat extends Cat {  SubCat(int c) { super(5); System.out.print("cable "); }  SubCat() { this(4); }  public static void main(String [] args) {  SubCat s = new SubCat();  }  } 结果为:()Acat5BcableCcable cat5Dcat5 cable

单选题现有:  interface Animal {       void eat () ;       }       //insert code here       public class HouseCat extends Feline {       public void eat() { }       }  和五个申明  abstract class Feline implements Animal { }  abstract  class  Feline  implements  Animal  {  void eat () ;  }  abstract class Feline implements Animal { public void eat();}  abstract class Feline implements Animal { public void eat() {}  }  abstract class Feline implements Animal { abstract public void eat();} 结果为:()A1B2C3D4