下面这个程序的结果是
#include<iostream.h>
classA
private:
inta;
public:
voidseta( );intgeta( );;
voidA::seta( )
a=1;
intA::geta( )
returna;
classB
private:
inta;
publiC:
voidseta( );intgeta( );;
voidB::seta( )
a=2;
intB::geta( )
returna;
classC:publicA,publicB
private:
intb;
public:
voiddisplay( );;
voidC::display( )
int b:geta( );
cout<<b;
voidmain( )
Cc;
c.seta( );
c.display( );
A.1
B.2
C.随机输出1或2
D.程序有错