更多"若有以下程序:#include <iostream>using nam"的相关试题:
[单项选择]若有以下程序:
#include <iostream>
using namespace std;
class Aprivate:
int a;
public:
void seta(int x)
a=x;
void showa( )
cout<<a<<",";
;
class Bprivate:
int b;
public:
void setb(int x)
b=x;
void showb( )
cout<<b<<",";
;
class C: public A, private Bprivate:
int c;
public:
void setc(int x, int y, int z)
c=z;
seta(x);
setb(y);
void showc( )
showa( );
showb( );
cout<<c<<end1;
;
int main( ) C c;
c.setc(1,2,3);
c.showc( );
return 0;程序执行后的输出结果是( )。
A. 1,2,3
B. 1,1,1
C. 2,2,2
D. 3,3,3
[单项选择]若有以下程序 #include <iostream> using namespace std; class A { public: A(int i,int j) { a=i; b=j; } void move(int x, int y) { a+=x; b+=y; } void show( ) { cout < <a < <" , " <<b<< end1; } private: int a,b; }; class B : private A { public: B(int i,int j) :A(i,j) {} void fun ( ) { move (3, 5); } void f1 ( ) { A::show( ); } }; int main ( ) { B d(3,4); d. fun ( ); d.f1( ); return 0; } 程序执行后的输出结果是 ( )。
A. 3,4
B. 6,8
C. 6,9
D. 4,3