ExamAdept

Which of the following function declaration is/are incorrect?

A:

int Sum(int a, int b = 2, int c = 3);

B:

int Sum(int a = 5, int b);

C:

int Sum(int a = 0, int b, int c = 3);

D:

Both B and C are incorrect.

Answer: D

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Which of the following function / type of function cannot be overloaded?

A:

Member function

B:

Static function

C:

Virtual function

D:

Both B and C

Answer: C

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Which of the following statement will be correct if the function has three arguments passed to it?

A:

The trailing argument will be the default argument.

B:

The first argument will be the default argument.

C:

The middle argument will be the default argument.

D:

All the argument will be the default argument.

Answer: A

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Which of the following function prototype is perfectly acceptable?

A:

int Function(int Tmp = Show());

B:

float Function(int Tmp = Show(int, float));

C:

Both A and B.

D:

float = Show(int, float) Function(Tmp);

Answer: A

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In a function two return statements should never occur.

A:

Yes

B:

No

C:

D:

Answer: B

No, In a function two return statements can occur but not successively.

Example:


#include <stdio.h>
int mul(int, int); /* Function prototype */

int main()
{
    int a = 0, b = 3, c;
    c = mul(a, b);
    printf("c = %d\n", c);
    return 0;
}

/* Two return statements in the mul() function */
int mul(int a, int b)
{
   if(a == 0 || b == 0)
   {
        return 0;
   }
   else
   {
        return (a * b);
   }
}

Output:
c = 0

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Questions for: Functions