更多"#include<iostream> #include<stri"的相关试题:
[填空题]#include<iostream>
#include<string>
using namespace std;
class MyClass
public:
MyClass(int i=0)member=i;
void SetMember(const string m)member="big"+m;m=member;
string GetMember( )return member;
void print( )consttout<<"Stu:"<<member<<endl;
private:
string member;
;
void main( )
MyClass obj1,*obj2;
string i="wang lin";
obj2=&obj1;
ohj2->SetMember(i);
obj1.print( );
[单项选择]有以下程序 #include<iostream> #include<string> using namespace std; class base { private: charbaseName[10]; public: base( ) { strcpy(baseName,"Base"); } virtual char*myName( ) return baseName; } char *className( ) { return baseName; } }; class Derived: public base { private: char derivedName[10]; public: Derived( ) { strcpy(derivedName,"Derived"); } char *myName( ) { return derivedName; } char *className( ) { return derivedName; } }; void showPtr(base &p) { cout<<p.myName0<<" "<<p.className( ); } int main( ) { base bb; Derived dd; showPtr(dD) ; retum 0; } 动行后的输出结果为
A. Derived Base
B. Base Base
C. Derived Derived
D. Base Derived
[填空题]下列程序的输出结果是【 】
#include<iostream>
using namespace std;
template<typenameT>
Tfun(Ta,TB) {return (a<=B) a:b;}
int main ( )
{
cout<<fun(3,6)<<’’,’’<<fun(3.14F,6.28F)<<end1;
return 0;
}
[单项选择]下列程序的输出结果是【 】
#inClUde<iostream>
using namespace std;
intmain( )
{
Char a[]="HellO,World";
Char*ptr=a;
while(*ptr)
{
if(*ptr>=’’a’’&& *ptr <=’’Z’’)
cout<<char(*ptr+’’A’’ -’’a’’);
else cout<<*ptr;
ptr++;
}
retur0;
}
A. HELLO,WORLD
B. Hello,world
C. hELLO,wORLD
D. hello,world
[填空题]以下程序的执行结果为【 】。
#include<iostream>
using namespace std;
class base
{
public:
virtual void who( )
{
cout < < "base class" < <end1;
};
class derivel:public base
{
public:
void who( )
{
cout < <"derivel class" < <end1;
};
} class derive2:public base
{
public:
void who( )
{
cout< <"derive2 class"< <end1;
}
};
void main( )
{
base obj1,* p;
derivel obi2;
derive2 obj3;
p=&obj1;
p->who( );
p=&obj2;
p->who( );
p=&obj3;
p->who( );
}
[填空题]以下程序的输出结果是 【10】 。
#include <iostream>
using namespace std;
int main( )
{
char S[ ]="abcdef";
s[3]=’\0’;
cout<<s<<end1;
return 0;
}
[填空题]以下程序的执行结果为 【8】 。
#include<iostream>
using namespace std;
class base
public:
virtual void who( )
cout<<"base class"<<endl;
;
class derivel:public base
public:
void who( )
cout<<"derivel class"<<endl;
;
class derive2:public base
public:
void who( )
cout<<"derive2 class"<<endl;
;
void main( )
base objl,*p;
derivel obj2;
derive2 obj3;
P=&objl;
p->who( );
p=&obj2;
p->who( );
p=&obj3;
p->who( );
[填空题]下面程序的输出结果是 【15】 。
#include <iostream>
using namespace std;
class base
{
protected:
int a;
public:
base( ){cout<<"0":}
};
class basel: virtual public base
{
public:
base1( ){ cout<<"1";}
};
class base2 : virtual public base
{
public:
base2( ){cout<<"2";}
};
class derived : public base1,public base2
{
public:
derived ( ) {cout<<"3"; }
}
int main ( )
{
derived obj;
cout<<end1;
return 0;
}
[填空题]下面程序的输出结果是 【13】 。
#include <iostream>
using namespace std;
class A
{
int a, b;
public:
A( )
{
a = b = 0;
}
A(int aa, int bb ) : a(aA) , b(bB)
{
cout <<"a="<<a<<","<<"b="<<b<<",";
}
~A( )
{
cout<<"D";
};
int main ( )
{
A x, y(2, 3);
return 0;
}
[填空题]下列程序的输出结果是 【10】 。
#include <iostream>
using namespace std;
int main( )
int data=1;
int &r = data;
data+=5;
r+=5;
cout<<data<<end 1;
return 0;
[填空题]执行下面程序输出的是 【15】 。
#include <iostream>
using namespace std;
template <typename T>
T total(T *data){
Ts=0;
while( *data) s+=*data++;
return s;
}
int main( ){
int s[]={1,3,5,7,0,2,4,6,8};
cout<<total(s);
return 0;
}