有如下程序:
#include<iostream>
using flamespace std;
class Name{
char name[20];
public:
Name(){
strcpy(name,“”); cout<<‘?’;
}
Name(char*fname){
strcpy(name,fname); cout<<‘?’;
}
};
int main(){
Name names[3]={Name(”张三”),Name(”李四”)};
return 0;
}
运行此程序输出符号?的个数是
A.0
B.1
C.2
D.3
第1题:
有如下程序: #include<iostream> usingnamespacestd; className{ charname[20]; public: Name( ){ strcpy(name,"");cout<<'?'; } Name(char*fname){ strcpy(name,fname);cout<<'?'; } }; intmain( ){ Namenames[3]={Name(”张三”),Name(”李四”)); return0; } 运行此程序输出符号?的个数是( )。
A.O
B.1
C.2
D.3
第2题:
有如下程序: #include<iostream> using namespace std; class Toy{ public: Toy(char*_n){strcpy(name,_n);count++;} ~Toy(){count--;} char*GetName( ){return name;} static int getCount( ){return count;} private: char name[10]; static int count; }; int Toy::count=0: int main( ){ Toy tl("Snoopy"),t2("Mickey"),t3("Barbie"); cout<<t1.getCount( )<<endl; return 0; } 程序的输出结果是
A.1
B.2
C.3
D.运行时出错
第3题:
有如下程序: #include<iostream> usingnamespacestd; className{ charname[20]; public: Name( ){ strcpy(name,"");cout<<?; } Name(char*fname){ strcpy(name,fname);cout<<?; } }; intmain( ){ Namenames[3]={Name(”张三”),Name(”李四”)); return0; } 运行此程序输出符号?的个数是( )。
A.O
B.1
C.2
D.3
第4题:
有如下程序: #include<iostream> using namespace std; class Name{ char name[20]; public: Name( ){strepy(name," ");tout<<'?';} Name(char*fname){strcpy(name,fname);cout<<'?';} }; int main( ){ Name name[3]={Name("张三"),Name("李四")}; return 0; } 运行此程序输出符号“?”的个数是
A.0
B.1
C.2
D.3
第5题:
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______。
第6题:
有以下程序:
include <iostream>
include <string>
using nameSpace std;
class person
{
int age;
Char * name;
public:
person ( int i, Char * str )
{
int j;
j = strlen( str ) + 1;
name = new char[ j ];
strcpy( name, str );
age = i;
}
~person()
{
delete name;
cout<<"D";
}
void display()
{
cout<<name<<":"<<age;
}
};
int main()
{
person demo( 30,"Smith" );
demo.display();
return 0;
}
则该程序的输出结果为:【 】。
第7题:
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;
}
第8题:
( 13 )有如下程序:
#include <iostream>
using namespace std;
class GrandChild{
public:
GrandChild(){ strcpy (name,"Unknown"); }
const char * getName()const { return name; }
virtual char * getAddress()const=0;
private:
char name[20];
};
class GrandSon : public GrandChild{
public:
GrandSon{char *name} {}
Char * getAddress() const { return "Shanghai";}
};
int main(){
GrandChild *gs=new GrandSon("Feifei");
cout<<gs->getName()<<" 住在 "<<gs->getAddress()<<endl;
delete gs;
return 0;
}
运行时的输出结果是 【 13 】 。
第9题:
( 29 )有如下程序:
#include<iostream>
using namespace std;
class Name{
char name[20];
public:
Name(){
strcpy(name,""); cout<<'?';
}
Name(char *fname)){
strcpy(name,fname); cout<'?';
}
};
int main(){
Name names[3]={Name(" 张三 "),Name(" 李四 ")};
Return 0;
}
运行此程序输出符号?的个数是
A ) 0
B ) 1
C ) 2
D ) 3