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C++一元运算符重载
#include <iostream> using namespace std; class Distance { private: int feet;// 0 to infinite int inches;// 0 to 12
C++运算符重载
#include <iostream> using namespace std; class Box { public: double getVolume(void) { return length * breadth * height;
C++函数重载
#include <iostream> using namespace std; class printData { public: void print(int i) { cout << "Printing int: " << i << endl;
C++多重继承
#include <iostream> using namespace std; // Base class Shape class Shape { public: void setWidth(int w) {
C++基础和派生类
#include <iostream> using namespace std; // Base class class Shape { public: void setWidth(int w) { width = w;
C++静态成员函数
#include <iostream> using namespace std; class Box { public: static int objectCount; // Constructor definition
C++静态成员
#include <iostream> using namespace std; class Box { public: static int objectCount; // Constructor definition
C++指向类的指针
#include <iostream> using namespace std; class Box { public: // Constructor definition Box(double l = 2.0, double b = 2.0, double h = 2.0) {
C++命名空间范围
#include <iostream> using namespace std; // first name space namespace first_space { void func() { cout << "Inside first_space" << endl;
C++ using指令
#include <iostream> using namespace std; // first name space namespace first_space { void func() { cout << "Inside first_space" << endl;
C++ std命名空间
// C++ std命名空间 #include <iostream> using std::cout; int main () { cout << "std::endl is used with std!" << std::endl;
C++嵌套命名空间
#include <iostream> using namespace std; // first name space namespace first_space { void func() { cout << "Inside first_space" << endl;
C++函数模板
#include <iostream> #include <string> using namespace std; template <typename T> inline T const& Max (T const& a, T const& b) {
C++类模板
#include <iostream> #include <vector> #include <cstdlib> #include <string> #include <stdexcept>
C++ #define
// #include <iostream> using namespace std; #define PI 3.14159 int main () { cout << "Value of PI :" << PI << endl;
C++像宏一样的函数
#include <iostream> using namespace std; #define MIN(a,b) (((a)<(b)) ? a : b) int main () { int i, j;