C++ interview questions part 24
C++ interview questions part 24
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. What does this template function indicates?
==================
template
void func(T a)
{
cout<
Correct Answer is : 34567891011
Correct Answer is : 34567891011
2. What does this template function indicates?
==================
template
T func(T a)
{
cout<
Correct Answer is : catch
Correct Answer is : catch
3. What does this template function indicates?
==================
template
U func(T a, U b)
{
cout<
Correct Answer is : throw
Correct Answer is : throw
4. What is the output of the following C++ code?
#include
#include
#include
using namespace std;
template
T func(T a)
{
cout<
void func(U a)
{
cout<
Correct Answer is : It will be executed at the end of the program even if the exception arised
Correct Answer is : It will be executed at the end of the program even if the exception arised
5. What is the output of the following C++ code?
#include
#include
#include
using namespace std;
template
T func(T a)
{
cout<
Correct Answer is : Division by zero condition!
Correct Answer is : Division by zero condition!
6. What is the output of the following C++ code?
#include
#include
#include
using namespace std;
template
T func(T a)
{
return a;
}
template
T func(U a)
{
return (T)a;
}
int main(int argc, char const *argv[])
{
int a = 5;
int b = func(a);
int c = func(5.5);
cout<
Correct Answer is : An exception occurred 20
Correct Answer is : An exception occurred 20
7. Write a template function which takes two numbers, can be integers/real, and an operator as a character ‘+’/’-‘ or as boolean values true/false(representing ‘+’/’-‘ respectively) and returns the results accordingly.
Correct Answer is : My exception
8. What type can be used to replace templates from this function?
template
T func(T a, T b, U c)
{
if(c == '+' || c){
return a+b;
}
else if(c == '-' || !c){
return a-b;
}
}
Correct Answer is : Depends on the memory
9. What is the syntax of an explicit call for a template? Assume the given template function.
template
void func(T a, U b)
{
cout<
Correct Answer is : Exception caught
Correct Answer is : Exception caught
10. Which of the following is the default return value of functions in C++?
Correct Answer is : inheriting and overriding exception class functionality
11. What is an inline function?
Correct Answer is : bad_cast
12. An inline function is expanded during ______________
Correct Answer is : return
13. In which of the following cases inline functions may not word? i) If the function has static variables. ii) If the function has global and register variables. iii) If the function contains loops iv) If the function is recursive
Correct Answer is : All of the mentioned
14. When we define the default values for a function?
Correct Answer is : Set a global error indicator
15. Where should default parameters appear in a function prototype?
Correct Answer is : c
16. If an argument from the parameter list of a function is defined constant then _______________
Correct Answer is : 0
17. Which of the following feature is used in function overloading and function with default argument?
Correct Answer is : Error
18. What is the output of the following C++ code?
#include
using namespace std;
int fun(int x = 0, int y = 0, int z)
{ return (x + y + z); }
int main()
{
cout << fun(10);
return 0;
}
Correct Answer is : Improve the exception safety
19. What is the output of the following C++ code?
#include
using namespace std;
class Test
{
protected:
int x;
public:
Test (int i):x(i) { }
void fun() const { cout << "fun() const " << endl; }
void fun() { cout << "fun() " << endl; }
};
int main()
{
Test t1 (10);
const Test t2 (20);
t1.fun();
t2.fun();
return 0;
}
Correct Answer is : 3
20. What is the output of the following C++ code?
#include
using namespace std;
int fun(int=0, int = 0);
int main()
{
cout << fun(5);
return 0;
}
int fun(int x, int y) { return (x+y); }
Correct Answer is : Use the stack
