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C++ | Function Overloading and Default Arguments | Question 3

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Which of the following overloaded functions are NOT allowed in C++? 1) Function declarations that differ only in the return type
    int fun(int x, int y);
         void fun(int x, int y); 
2) Functions that differ only by static keyword in return type
    int fun(int x, int y);
         static int fun(int x, int y); 
3)Parameter declarations that differ only in a pointer * versus an array []
int fun(int *ptr, int n);
int fun(int ptr[], int n); 
4) Two parameter declarations that differ only in their default arguments
int fun( int x, int y); 
int fun( int x, int y = 10); 
(A) All of the above (B) All except 2) (C) All except 1) (D) All except 2 and 4

Answer: (A)

Explanation: See Function overloading in C++

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Last Updated : 28 Jun, 2021
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