Question

How to use constant data members in class with C++

Answer 1

#include <iostream>

class Test {
	const int n;
	public:
	    Test(int a) : n(a) {}
	    void show() {
	        std::cout << n;
	    }
};

int main()
{
	Test t(12);
	
	t.show();
	
	return 0;
}

 
 
/*
run:
 
12
 
*/

 

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