constructor_critter.cpp

来自「the source of dev_c++ most of them for 」· C++ 代码 · 共 36 行

//Constructor Critter
//Demonstrates constructors

#include <iostream>

using namespace std;

class Critter
{
public:
    int m_Hunger;
    
    Critter(int hunger = 0);       // constructor prototype
    void Greet();
};

Critter::Critter(int hunger)       // constructor definition
{
    cout << "A new critter has been born!" << endl;
    m_Hunger = hunger;
}

void Critter::Greet()             
{
    cout << "Hi. I'm a critter. My hunger level is " << m_Hunger << ".\n\n";
}

int main()
{    
    Critter crit(7);
    crit.Greet();

    return 0;
}