更多"有以下程序: #include <iostream> #inclu"的相关试题:
[单项选择]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 *
[单项选择]有以下程序
#include <iostream>
#include <string>
using namespace std;
class base
private:
char baseName[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.myName( )<<" "<<p.className( );
int main( )
base bb;
Derived dd;
showPtr(dd);
return 0;
运行后的输出结果为
A. Derived Base
B. Base Base
C. Derived Derived
D. Base Derived
[单项选择]有以下程序
#include <iostream>
#include <string>
using namespace std;
class base
private:
char baseName[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.myName ( ) <<" "<<p.className ( );
int main ( )
base bb;
Derived dd;
showPtr(dd);
return 0;
运行后的输出结果为
A. Derived Base
B. Base Base
C. Derived Derived
D. Base Derived
[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