更多"有以下程序: #include<iostream> #inc"的相关试题:
[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
[单项选择]有以下程序: #include<iostream> #include<string> using namespace std; int main( ) { char arr[2][4]; strcpy(arr[0],"you"); strcpy(arr[1],"me"); arr[0][3]=’&’; cout<<arr[0]<<end1; return 0; } 执行后的输出结果是( )。
A. you&me
B. you
C. me
D. err
[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]有如下程序:
#include<iostream>
#include<string>
using namespace std;
class Person
public:
Person(string n):name(n)cout<<’P’;
pnvate:
string name;
;
class Date
public:
Date(int y=2012,int m=12,int d=21):year(y),month(m),day(d)cout<<’D’;
private:
int year,month,day;
;
class Student:public Person
public:
Student(string n,int y,int m,int d,char c):birthday(y,m,d),sex(c),Person(n)cout<<’S’;
private:
Date birthday;
char sex;
;
int main( )
Student stul("Zhang",1990,10,1,’F’);
return 0;
运行时的输出结果是______。
A. S
B. PS
C. DPS
D. PDS