C++ | Static Keyword | Question 5

filter_none

edit
close

play_arrow

link
brightness_4
code

#include<iostream>
using namespace std;
  
class Test
{
private:
    static int count;
public:
    Test& fun(); 
};
  
int Test::count = 0;
  
Test& Test::fun()
{
    Test::count++;
    cout << Test::count << " ";
    return *this;
}
  
int main()
{
    Test t;
    t.fun().fun().fun().fun();
    return 0;
}
chevron_right

(A) Compiler Error
(B) 4 4 4 4
(C) 1 1 1 1
(D) 1 2 3 4

Answer: (D)
Explanation: Static members are accessible in non-static functions, so no problem with accessing count in fun().

Also, note that fun() returns the same object by reference.
Quiz of this Question

Attention reader! Don’t stop learning now. Get hold of all the important DSA concepts with the DSA Self Paced Course at a student-friendly price and become industry ready.

Article Tags :
C
Practice Tags :