题目内容
写出下列程序的执行结果是：__________________。#include using namespace std;class Bclass{ public: Bclass( int i, int j ) { x = i; y = j; } virtual int fun() { return 0 ; }protected: int x, y ;};class Iclass:public Bclass{ public : Iclass(int i, int j, int k):Bclass(i, j) { z = k; } int fun() { return ( x + y + z ) / 3; }private : int z ;};void main(){ Iclass obj( 2, 4, 10 ); Bclass p1 = obj; cout << p1.fun() <<","; Bclass &p2 = obj ; cout << p2.fun() <<","; cout << p2.Bclass :: fun() <<","; Bclass *p3 = &obj; cout << p3 -> fun() << endl;}
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