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

STL (140)
OOPS (873)
C++ General (2409)

C++ Interview Questions

Questions Answers Views Company eMail

How do you instruct your compiler to print the contents of the intermediate file showing the effects of the preprocessor?

1150

What does the linker do?

1041

What is the difference between containment and delegation?

1334

When you overload member functions, in what ways must they differ?

1048

If dog is a friend of boy, is boy a friend of dog?

984

Will a catch statement catch a derived exception if it is looking for the base class?

1011

What is a rooted hierarchy?

1165

What is the difference between a declaration and a definition?

1118

Show the declaration for a static function pointer.

1049

Why is the function main() special?

1100

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

1031

What is a breakpoint?

1026

How does the copy constructor differ from the assignment operator (=)?

1150

What is the difference between a template and a macro?

1067

What does ctime() do?

1134

Un-Answered Questions { C++ }

Describe delete operator?

1092

What is null pointer and void pointer?

1080

How would you implement a substr() function that extracts a sub string from a given string?

1047

Evaluate as true or false: !(1 &&0 || !1) a) True b) False c) Invalid statement

1187

Explain what are mutator methods in c++?

1119

Does c++ vector allocate memory?

1014

write a code for this. serial_number contained in the header of the file will be read , if this serial number is less than a previous serial number within a successfully processed file, or is the same as another serial number within a successfully processed file, or if the field contains anything other than 7 digits, then the file must error with the reason ‘Invalid SERIAL_NUMBER’.

2275

What is a container class? What are the types of container classes in c++?

1268

Can notepad ++ run c++?

1086

Write a program to concatenate two strings.

1094

What are different types of loops in c++?

1132

Why is destructor used?

1023

What are pointer-to-members in C++? Give their syntax.

1142

Explain 'this' pointer and what would happen if a pointer is deleted twice?

1071

What does no cap mean?

1064

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