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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
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;
C++条件编译
#include <iostream> using namespace std; #define DEBUG #define MIN(a,b) (((a)<(b)) ? a : b) int main () {
C++ #和##运算符
#include <iostream> using namespace std; #define MKSTR( x ) #x int main () { cout << MKSTR(HELLO C++) << endl;
C++动态内存分配
#include <iostream> using namespace std; class Box { public: Box() { cout << "Constructor called!" <<endl;
C++ new和delete操作符
#include <iostream> using namespace std; int main () { double* pvalue= NULL; // Pointer initialized with null
C++定义新异常
#include <iostream> #include <exception> using namespace std; struct MyException : public exception {
C++除零异常
#include <iostream> using namespace std; double division(int a, int b) { if( b == 0 ) { throw "Division by zero condition!";
C++读写示例
#include <fstream> #include <iostream> using namespace std; int main () { char data[100]; // open a file in write mode.
C++抽象类
#include <iostream> using namespace std; // Base class class Shape { public: // pure virtual function providing interface framework.
C++数据封装
#include <iostream> using namespace std; class Adder { public: // constructor Adder(int i = 0) { total = i;
C++数据抽象示例
#include <iostream> using namespace std; class Adder { public: // constructor Adder(int i = 0) { total = i;
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