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发布时间:2024-09-05 00:48:35

[填空题]下列程序的运行结果是______。
#include<iostream.h>
class Base

public:
virtual void func(int i)cout<<"class Base:"<<i<<end1;)
;
class Derived: public Base

public:
void func(double d)cout<<"class Derived:"<<d<<endl;
; void main( )

Base a,*p=a;
Derived b;
p=&b;
(*p).func(3.3);

更多"下列程序的运行结果是______。 #include<iostrea"的相关试题:

[填空题]下列程序的运行结果是______。
#include<iostream.h>
class Base

public:
virtual void func(int i)cout<<"class Base:"<<i<<end1;)
;
class Derived: public Base

public:
void func(double d)cout<<"class Derived:"<<d<<endl;
; void main( )

Base a,*p=a;
Derived b;
p=&b;
(*p).func(3.3);

[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]下列程序的运行结果是
#inClUde<iostream.h>
class Location
private:
int X,Y;
pubhc:
void init(int=0,int=0) ;
void valueX(int val) X=val;
int valueX( ) retum X;
void valueY(int val) Y=val;
int valueY( ) retum Y;;
void Location: :init(int initX,int initY)
X=initX;
Y=initY;
Void main( )
Location A,B;
A. init( ) ;
A. valueX(5) ;
cout < < A. valueX( ) < < endl < < A. valueY( ) < < endl;
B. init(6,2) ;
B. valueY(4) ;
cout < < B. valueX( ) < < endl < < B. valueY( ) < < endl;
A. 5
B. 0
C. 5
D. 0
[单项选择]下列程序的运行结果是
    #include <iostream.h>
    class Location
     private:
     int X,Y;
    public:
     void init(int=0,in=0);
     Void valueX(int val) X=val;

     int valueX( ) return X;

     void valueY(int val) Y=val;

     int valueY( ) return Y; ;

    void Location::init(int initX,int initY)

     X=initX;

      Y=initY;

    void main( )

     Location A,B;

      A.init( );

      A.valueX(5);

      cout < < A.valueX( ) < < end1 < < A.valueY( ) < < end1;

      B.init(6,2);

      B.valeY(4);

      cout < < B.valueX( ) < < end1 < < B.valueY( ) < < end1;
A. 5

B. 0

C. 5

D. 0

[单项选择]下面程序的运行结果是
#include<iostream.h>
class base
protected:
int a;
public:
base( )cout<<"0";

class basel:virtual base
public:
base1( )cout<<"1";

class base2:virtual base
public:
base2( )cout<<"2";

class derived:public base1,public base2
public:
derived( )cout<<"3";
void main( )

derived obj;
cout < < end1;

A. 0123
B. 3120
C. 0312
D. 3012
[单项选择]分析下面程序,该程序的运行结果是( )。
#include<iostream.h>
class TestClass

public;
static int m;
TestClass ( )

m++;

TestClass(int n)

m=n;

static void test( )

m++;

;
int TestClass::m=0;
void main( )

TestClass A;
TestClass B(3);
A.test( );
TestClass::test( );
tout<<"m="<<B.m<<end1;

A. m=3
B. m=4
C. m=5
D. m=6
[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]下面程序的运行结果是 #include<iostream.h> class base{ protected: int a; public: base( ){cout<<"0";} }; class basel:virtual base { public: base1( ){cout<<"1";} }; class base2:virtual base{ public: base2( ){cout<<"2";} }; class derived:public base1,public base2{ public: derived( ){cout<<"3";} void main( ) { derived obj; cout < < end1; }
A. 0123
B. 3120
C. 0312
D. 3012
[单项选择]下面程序的运行结果是( )。   #include<iostream.h>   class base{   protected:     int a;   public:     base( ){cout<<"0";}   };   class basel:virtual base{   public:     basel( ){cout<<"1";}   };   class base2:virtual base{   public:     base2( ){cout<<"2";}   };   class derived:public basel,public base2{   public:     derived( ){cout<<"3";}   };   void main( )   {     derived obj;     cout<<endl;   }
A. 5
B. 3
C. 2
D. 0

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