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发布时间:2023-12-16 18:50:46

[单项选择]下面程序的结果为 #include<iostream.h> int C; class A { private: int a; static int b; public: A( ) {a=0;c=0;} void seta( ){a++;} voidsetb( ){b++;} voidsetc( ){c++;} void display( ) {cout << a << " " << b << “ ” << c;} }; int A∷b=0; void main( ) { A a1,a2; a1.seta( ); a1.setb( ); a1.setc( ); a2.seta( ); a2.seth( ); a2.setc( ); a2.display( ); }
A. 1 2 1
B. 1 2 2
C. 1 1 2
D. 2 2 2

更多"下面程序的结果为 #include<iostream.h> int"的相关试题:

[单项选择]下面程序的结果是
#include<iostream.h>
class A

int a;
public:
A( ):a(1)
void showa( )cout<<a;

class B

int a;
public:
B( ):a(2)
void showa( )cout<<a;

class C://public A,public B

int a;
public:
C( ):a(3) ㈠
voidshowa( )cout<<a;

voidmain( )

C c;
c.showa( );

A. 1
B. 2
C. 3
D. 程序有错误
[单项选择]下面程序的结果是 #include<iostream.h> class A { int a; public: A( ):a(1){} void showa( ){cout<<a;} }; class B { int a; public: B( ):a(2){} void showa( ){cout<<a;} }; class C://public A,public B { int a; public: C( ):a(3) ㈠ voidshowa( ){cout<<a;} }; voidmain( ) { C c; c.showa( ); }
A. 1
B. 2
C. 3
D. 程序有错误
[单项选择]下面程序的结果为
#include<iostream.h>
int c;
class A

private:
int a;
static int b;
public:
A( ) a=0;c=0;
void seta( ) a++;
void setb( ) b++;
void setc( ) c++;
void display( ) cout < < a < < " " < < b < < " " < < c;
;
int A: :b=0;
void main( )

[单项选择]下面程序的结果是   #include   class A   {   int a;   public:   A( ):a (1){}   void showa( ){cout<<a;}   };   class B   {   int a;   public:   B( ):a (2){}   void showa( ){cout<<a;}   };   class C:public A, public B   {   int a;   public:   C( ):a (3){}   void showa( ){cout<<a;}   };   void main( )   {   C c;   c.showa( );   }
A. 1
B. 2
C. 3
D. 程序有错误
[单项选择]下面程序的结果为() #include<iostream.h> int c; class A { private: int a; static int b; public: A( ) {a=0;c=0;} void seta( ) {a++;} void setb( ) {b++;} void setc( ) {c++;} void display( ) {cout < < a < < " " < < b < < " " < < c;} }; int A: :b=0; void main( ) { A a1,a2; a1.seta( ) ; a1.setb( ) ; al .setc( ) ; a2.seta( ) ; a2.setb( ) ; a2.setc( ) ; a2.display( ) ; }
A. 1 2 1 
B. 1 2 2 
C. 1 1 2
D. 2 2 2
[单项选择]下列程序的运行结果是
#include<iostream.h>
class A

int a;
public:
A. A(int aa)
B. a=aa;
C. cout < < a++;
D. voidmain( )
E. Ax,y(2) ,z(3) ;
F. cout< < endl;A) 00
G. B)23
H. C)34
I. D)25
[单项选择]下面程序的结果是
#include<iostream.h>
class A

int a;
public:
A( ):a(1)
void showa( )cout<<a;

class B

int a;
public:
B( ) :a(2)
void showa( )cout<<a;

class C://public A,public B

int a;
public:
C( ):a(3)
void showa( )cout<<a;

void main( )

C c;
c.showa( );

A. 1
B. 2
C. 3
D. 程序有错误
[单项选择]下面程序的结果是
   #include<iostream.h>
   class test private:
         int num;
       public:
        test( );
        int getint( ) return num;
        ~test( );;
   test::test( )
    num=0;
   test::~test( )
    cout<<"Destructor is active"<<endl;
   void main( )
    test x[3];
     cout<<"Exiting main"<<endl;
A. Exiting main
B. Exiting main
C. Exiting main
D. Exiting main
[单项选择]下面程序的结果是
    #include<iostream.h>
    class A
     public:
      A( ) cout < < "construtA" < < end1;
      virtual ~A( ) cout < < "destructA" < < end1; ;
    class B:public A
     ;
    class C://public A
     ;
    class D://public B,public C
     ;
    void main( )
     Dd;
A. constructA
B. constructA
C. constructA
D. constructA
[单项选择]下面程序的结果是
#include<iostream.h>
class A
public:
A( )cout<<"construtA" <<endl;
virtual ~A( ) cout << "destructA" <<endl;;
class B:public A

class C://public A

class D://public B,public C
;
void main( )
Dd;
A. constructA
B. constructA
C. constmctA
D. constmctA

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