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1题:
有如下程序: #include<iostream> usingnamespacestd; classToy{ public: Toy(char*_n){strcpy(name,_n);count++;) ~Toy( ){count一一;) char*GetName( ){returnname;} staticintgetCount( ){returncount;) private: charname[10]; staticintcount; }; intToy::count=0; intmain( ){ Toyt1("snoopy"),t2("Mickey"),t3("Barbie"); tout<<t1.getCount( )<<endl: return0; ) 运行时的输出结果是( )。
A.1
B.2
C.3
D.运行时出错
第2题:
有如下程序:
#include<iostream>
usingnamespacestd;
classToy{
public:
Toy(char*_n){strcpy(name,_n);count++;)
~Toy( ){count一一;)
char*GetName( ){returnname;}
staticintgetCount( ){returncount;)
private:
charname[10];
staticintcount;
};
intToy::count=0;
intmain( ){
Toyt1("snoopy"),t2("Mickey"),t3("Barbie");
tout<<t1.getCount( )<<endl:
return0;
)
运行时的输出结果是( )。
A.1
B.2
C.3
D.运行时出错
第3题:
有如下程序: #include<iostream> 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4题:
有以下程序: #include 〈iostream〉 #include 〈string〉 using namespace std; class visited { private: int number; char *name; public: static int glob; void set mes(char *a); }; void visited::set mes(char *a) { name=new char[strlen(A) +1]; strcpy(name,A) ; number=++glob; } int visited::glob-O; int main() { visited person[10]; int i; char str[8]; for(i=0;i<5;i++) { cin>>str; person[i] .set mes(str); } cout<
A.5
B.4
C.3
D.2
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=O:
int main(){
Toy tl(“Snoopy”),t2(“Mickey”),t3(“Barbie”);
cout<<t1.getCount()<<endl;
return O:
}
运行时的输出结果是
A.1
B.2
C.3
D.运行时出错
第7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8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9题:
( 27 )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 mail(){
Toy t1("Snoopy"),t2("Mickey"),t3("Barbie");
cout<<t1.getCount()<<endl;
return 0;
}
运行时的输出结果是
A ) 1
B ) 2
C ) 3
D )运行时出错