摘要:
1.const int x,y; int const x,y;是等价的xy都是只读变量。2.#include using namespace std;class Base{public: void show()const { cout 2 3 using namespace std; 4 class Base 5 { 6 public: 7 void modify() 8 { 9 x = 250;10 cout(*this).modify();35 2.((Base)(*this)).modify();... 阅读全文
摘要:
A():1B()1View Code 1 #include <iostream> 2 3 using namespace std; 4 class A 5 { 6 protected: 7 static int count ; 8 int num ; 9 public:10 A()11 {12 count++;13 num = count;14 cout<<"A():"<<num<<endl;15 }16 virtual ~A()17 {18 cout<<"~A():"<... 阅读全文