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

C++ General Interview Questions

Questions Answers Views Company eMail

What is the difference between #import and #include?

1104

What is the disadvantage of using a macro?

1175

What is rvalue?

1194

Can a function take variable length arguments, if yes, how?

1071

What do you mean by global variables?

1123

Which one between if-else and switch is more efficient?

1125

Which bitwise operator is used to check whether a particular bit is on or off?

1117

What is the use of register keyword with the variables?

976

Out of fgets() and gets() which function is safe to use?

1195

What is the size of integer variable?

1098

What do you mean by const correctness?

1137

We use library functions in the program, in what form they are provided to the program?

1144

Which format specifier is used for printing a pointer value?

1108

What do you mean by funtion prototype?

1150

What are the uses of pointers?

1135

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Un-Answered Questions { C++ General }

How will you call C functions from C ++ and vice-versa?

1192

What will strcmp("Astring", "Astring"); return a) A positive value b) A negative value c) Zero

1152

Define basic type of variable used for a different condition in C++?

1193

Why is main an int?

1036

Define Virtual function in C++.

1150

What is setiosflags c++?

1026

an integer constant must have atleast one a) character b) digit c) decimal point

1079

Explain Memory Allocation in C/C++ ?

1115

What do you mean by enumerated data type?

1104

Define a nested class. Explain how it can be useful.

1134

What is abstraction c++?

1057

What is array in c++ example?

1166

Explain queue. How it can be implemented?

1202

Is it possible to pass an object of the same class in place of object reference to the copy constructor?

1101

Name the debugging methods that are used to solve problems?

1144

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