C++ 恢复访问权限示例

#include<iostream>#include<string>using namespace std;class A{int i;public:void seta(int a){i=a;}void dispa(){cout<<"i="<<i<<endl;}};class B:private A{int j;public:A::seta;//访问声明A::dispa;//访问声明void setb(int y){j=y;}void dispb(){cout<<"j="<<j<<endl;}};int main(){B b;b.seta(1);b.dispa();b.setb(2);b.dispb();return 0;}