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C++定义类对象
#include <iostream> using namespace std; class Box { public: double length;// Length of a box double breadth;// Breadth of a box
C++指向结构体的指针
#include <iostream> #include <cstring> using namespace std; void printBook( struct Books *book );
C++结构体作为函数参数
#include <iostream> #include <cstring> using namespace std; void printBook( struct Books book );
C++访问结构体成员
#include <iostream> #include <cstring> using namespace std; struct Books { chartitle[50]; charauthor[50];
C++标准日志流
// C++标准日志流 #include <iostream> using namespace std; int main() { char str[] = "Unable to read....";
C++标准错误流
// C++标准错误流 #include <iostream> using namespace std; int main() { char str[] = "Unable to read....";
C++数据抽象
// C++数据抽象 #include <iostream> using namespace std; int main() { cout << "Hello C++" <<endl;
C++多态
#include <iostream> using namespace std; class Shape { protected: int width, height; public: Shape( int a = 0, int b = 0){
C++类成员访问运算符
// Consider an actual class. class Obj { static int i, j; public: void f() const { cout << i++ << endl; }
C++下标运算符重载
#include <iostream> using namespace std; const int SIZE = 10; class safearay { private: int arr[SIZE];
C++函数调用运算符重载
#include <iostream> using namespace std; class Distance { private: int feet;// 0 to infinite int inches;// 0 to 12
C++赋值运算符重载
#include <iostream> using namespace std; class Distance { private: int feet;// 0 to infinite int inches;// 0 to 12
C++递增/递减运算符重载
#include <iostream> using namespace std; class Time { private: int hours;// 0 to 23 int minutes;// 0 to 59
C++输入/输出运算符重载
#include <iostream> using namespace std; class Distance { private: int feet;// 0 to infinite int inches;// 0 to 12
C++关系运算符重载
#include <iostream> using namespace std; class Distance { private: int feet;// 0 to infinite int inches;// 0 to 12
C++二进制运算符重载
#include <iostream> using namespace std; class Box { double length;// Length of a box double breadth;// Breadth of a box