4elist1007.cpp

来自「《21天学通C＋＋》附盘的原代码。书上的每个例子在这里都有相应的C语言程序。」· C++ 代码 · 共 33 行

// Listing 10.7
// The Counter class

#include <iostream>
using namespace std;

class Counter
{
public:
	Counter();
	~Counter(){}
	int GetItsVal()const { return itsVal; }
	void SetItsVal(int x) {itsVal = x; }
	void Increment() { ++itsVal; }

private:
	int itsVal;

};

Counter::Counter():
itsVal(0)
{}

int main()
{
	Counter i;
	cout << "The value of i is " << i.GetItsVal() << endl;
	i.Increment();
	cout << "The value of i is " << i.GetItsVal() << endl;
	return 0;
}