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>
usxng namespace std;
int main( )
char p[] = "abcdefgh";
cout<<strlen(strcpy(p,"12345"))<<end1;
return 0;
执行后输出的结果是( )。
A. 8
B. 12
C. 5
D. 7