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发布时间:2023-10-23 13:40:08

[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( );
a1.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

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

[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( ); a1.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. 将private int m改为protected int m
B. 将private int m改为public int m
C. 将private int m改为static i
D. 将private int m改为int m
[单项选择]下面程序的输出结果是( )。   # include <iostream.h>   class example   {     int a;   public:     example (intb) {a=b++;}     void print ( ){a=a+1; cout << a <<" ";}     void print ( ) const {cout << a <<" ";}   };   void main ( )   {     example x (3);     const example y (2);     x. print ( );     y.print ( );   }
A. (operator++(x) ).operator/(y)
B. (operator++(0) ).operator/(y)
C. operator/( (operator++(x,0) ),y)
D. operator/( (operator++(0) ),y)
[填空题]阅读下面程序:
#include <iostream.h>
template <class T>
class TAddprivate:
T x, y;
public:
TAdd(T a, T b)x=a;
y=b;T add( )return x +y;;
void main( )TAdd<int>a(5,6);
TAdd<double>b(2.4,5.8);
cout<<"s1 ="<<A. add( )<<",";
cout<<"s2="<<B, add( )<<end1;写出该程序的运行结果: 【13】
[单项选择]下列程序的运行结果为( )。    #include<iostream.h>    class Location {     protected:      int X,Y;    publiC://     void SeX(int myx){X=myx;}     void SetY(int myy){Y=myy;}     void showxy( ) {cout<<"X=" <<X<<" " <<"Y"=<< Y<<   endl;} };    Class Rectangle :public Location{     private:      int H,W;     public:     void SetH(int myh){H=myh;}     void SetW(int myw) {W=myw;}     void show( ) {cout <<"X="<<X<<" "<<"Y="<<"<<        Y<<" "<<"H="<< H<<" " <<"W=" <<W        <<endl;} };    void main( )    { Rectangle r1;      r1.SetX(3);      r1.SetY(5);      r1.SetH(4);      r1.SetW(6);      r1.showxy( );      r1. show( );}

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