C++ General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C++ General Interview Questions

Questions Answers Views Company eMail

Keyword mean in declaration?

1057

What size is allocated to the union variable?

1055

How to declare a function pointer?

995

What are structures and unions?

1001

What do you mean by enumerated data type?

1049

Why isn't sizeof for a struct equal to the sum of sizeof of each member?

996

why is iostream::eof inside a loop condition considered wrong?

1054

Why can templates only be implemented in the header file?

1102

Where do I find the current c or c++ standard documents?

1088

Where and why do I have to put the "template" and "typename" keywords?

1040

When can I use a forward declaration?

1099

What should main() return in c and c++?

1021

What is the difference between a definition and a declaration?

1065

What are move semantics?

1152

What is an undefined reference/unresolved external symbol error and how do I fix it?

1121

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Un-Answered Questions { C++ General }

What is the last index number in an array of 100 characters a) 100 b) 99 c) 101

1149

. If employee B is the boss of A and C is the boss of B and D is the boss of C and E is the boss of D. Then write a program using the Database such that if an employee name is Asked to Display it also display his bosses with his name. For eg. If C is displayed it should also display D and E with C?

3277

What is the basic concept of c++?

1009

Is c++ pass by reference or value?

1064

What is string in c++ programming?

1181

What is the first name of c++?

1060

Differences between private, protected and public and give examples.

1058

Do the names of parameters have to agree in the prototype, definition, and call to the function?

1028

Describe Trees using C++ with an example.

1149

What is time h in c++?

1136

Explain the use of vtable.

1088

Can java be faster than c++?

1153

What can I use instead of namespace std?

1151

What is ios flag in c++?

1210

Who made c++?

1080

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