bossfrog的专栏

before.cxx#include class BlackCircle {public: void what(void) { std::cout << "a black circle." << std::endl; }};class BlackSquare {public: void what(void) { std::cout << "a black squar

before.cxx#include #include class ACounter {public: unsigned int count(const std::string &input) { unsigned int count = 0; for (int i = 0; i < input.length(); ++i) { if (input[i] == 'a' ||

before.cxx#include class OS {public: const char *getName(void) { return "Microsoft Windows"; } const char *getVersion(void) { return "6.1.7601"; }};OS os;void displayCurrentOSName(vo

before.cxx#include class RobotCat {public: void cry(void) { std::cout << "Meow! Meow! Meow!" << std::endl; }};class RobotCatCanWalk: public RobotCat {public: void walk(void) { std::cou

before.cxx#include #include class Element {public: Element(int value): value(value) {}; void remove(void) { std::cout value << " has been removed." << std::endl; }private: int value;};

before.cxx#include #include class Apple {public: void sayHello(void) { std::cout << "Hello, I'm a apple." << std::endl; }};class Banana {public: void sayHello(void) { std::cout << "He

before.cxx#include class Factorial {public: Factorial(unsigned int n) { double value = 1; for (unsigned int k = 2; k < n; ++k) { value *= k; } this->value = value; } void displayVal

before.cxx#include #include class Apple {public: void sayHello(void) { std::cout << "Hello, I'm a apple." << std::endl; }};class Banana {public: void sayHello(void) { std::cout << "He

before.cxx#include #include class BlackCircle {public: void sayHello(void) { std::cout << "Hello, I'm a black circle." << std::endl; }};class BlackSquare {public: void sayGoodbye(void

before.cxx#include #include class Shape {public: void setColor(const std::string &colorName) { this->colorName = colorName; } void setKind(const std::string &kindName) { this->kindName =

before.cxx#include class Dog {public: void runAway(void) { std::cout << "HELP!!! Dog-god bless me!" << std::endl; }};class DogHunter {public: void hunt(Dog &dog) { dog.runAway(); }};

before.cxx#include #include class Console {public: void write(std::string msg) { std::cout << msg; }};int main(void) { Console console; console.write("hello"); console.write(", "); co