A seeker after truth

1. Function Templates 파라미터의 타입을 한가지로 특정하고자 하지 않을 때 사용하며, 제네릭과 같은 개념 template T sum(T a, T b) { return a+b; } int main () { int x=7, y=15; cout

1. Inheritance class Mother { public: Mother() {}; void sayHi() { cout attack(); e2->attack(); In this example, objects of different but related types are referred to using a unique type of pointer (Enemy*), and the proper member function is called every time, just because they are virtual.

1. separate files for a class - The header file (.h) holds the function declarations (prototypes) and variable declarations. It currently includes a template for our new MyClass class, with one default constructor. MyClass.h #ifndef MYCLASS_H #define MYCLASS_H class MyClass { public: MyClass(); protected: private: }; #endif // MYCLASS_H MyClass.cpp #include "MyClass.h" MyClass::MyClass() { //cto..

you can access a pseudo random number generator function that's called rand(). #include #include using namespace std; int main() { cout

In a C++ program, memory is divided into two parts: The stack: All of your local variables take up memory from the stack. The heap: Unused program memory that can be used when the program runs to dynamically allocate the memory. Many times, you are not aware in advance how much memory you will need to store particular information in a defined variable and the size of required memory can be deter..

- Whitespace, such as spaces, tabs, and newlines, is also ignored, although it is used to enhance the program's visual attractiveness. - In C++, streams are used to perform input and output operations. In most program environments, the standard default output destination is the screen. In C++, cout is the stream object used to access it. - cout is used in combination with the insertion operator...