Which of the following statements is correct? We can return a global variable by reference. We cannot return a local variable by reference.

Which of the following statements is correct? We can return a global

1.	Which of the following statements is correct? We can return a global variable by reference. We cannot return a local variable by reference.
A.	Only 1 is correct.
B.	Only 2 is correct.
C.	Both 1 and 2 are correct.
D.	Both 1 and 2 are incorrect.
Answer» C. Both 1 and 2 are correct.

Discussion

No Comment Found

Related MCQs

What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> using namespace std; int main() { int num = 6; int* ptr = &num; cout << sizeof(ptr); return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> using namespace std; void print (char * str) { cout << str << endl; } int main () { const char * str = "Interview Mania"; print(const_cast<char> (str) ); return 0; } </char></iostream></pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> using namespace std; int main() { int num = 11; int & numref = num; num++; cout << "The value of num is " << numref; return 0; } </iostream></pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> using namespace std; void swap(int &p, int &q); int main() { int p = 5, q = 10; swap(p, q); cout << " In main " < return 0; } void swap(int &p, int &q) { int temp; temp = p; p = q; q = temp; cout << "In swap " < } </iostream></pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> using namespace std; int main() { int num; int *ptr; num = 12; ptr = &num; cout << *ptr; return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> using namespace std; int main() { int num1, num2; int* Res; Res = &num1; num1 = 150; num2 = 100; *Res = 150; num2 = *Res; cout << *Res << " " << num2; return 0; } </pre>
Which of the following statements is correct?Pointer to a reference and reference to a pointer both are valid.When we use reference, we are actually referring to a referent.
Which of the following statements is correct?Change a reference changes the referent.We can create an array of references.
Which of the following statements is correct?A reference is not a constant pointer.A referenced is automatically de-referenced.
Which of the following statements is correct?Once the variable and the reference are linked they are tied together.Once the reference of a variable is declared another reference of that variable is not allowed.

Which of the following statements is correct? We can return a global variable by reference. We cannot return a local variable by reference.

Discussion

No Comment Found

Related MCQs

Reply to Comment