Question

How to declare and use static variables in C++

Answer 1

#include <iostream>

using namespace std;

class calc
{
	public:
		int f(void);
};
int calc::f(void)
{
	static int number = 0;

	number++;

	return number;
}

int main()
{
	calc c;
	
	c.f();
	c.f();
	int n = c.f();

	cout << n << endl;

	return 0;
}


/*
run:

3

*/

 

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