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

Will the inline function be compiled as the inline function always? Justify.

1 1926

Define a way other than using the keyword inline to make a function inline?

1 1563

How can a '::' operator be used as unary operator?

1 1418

Can a constructor throw a exception? How to handle the error when the constructor fails?

1 1631

What are the debugging methods you use when came across a problem?

1 1604

What is the difference between new/delete and malloc/free?

1 1526

What happens when a function throws an exception that was not specified by an exception specification for this function?

1 1535

Can you think of a situation where your program would crash without reaching the breakball, which you set at the beginning of main()?

1 1650

Is there any problem with the following: char *a=NULL; char& p = *a;?

1 1518

Is there anything you can do in C++ that you cannot do in C?

1 1754

What is the difference between public, private, and protected access?

1070

What is the difference between a baller and a reference in C++?

1124

Explain one method to process an entire string as one unit?

1590

How would you use qsort() function to sort an array of structures?

1123

What are the advantages of using pointers in a program?

1140

Un-Answered Questions { C++ }

Explain what is polymorphism in c++?

1129

What is a virtual destructor? Explain the use of it?

992

What is the latest c++ standard?

1152

Array base access faster or pointer base access is faster?

2306

What is the best c c++ compiler for windows?

1060

What are properties in oop?

1087

What are the vectors in c++?

1033

What is the main feature of oop?

1151

What is a forward referencing and when should it be used?

1166

What is encapsulation in simple terms?

1040

What is the difference between C and CPP?

1161

Is c or c++ more useful?

1052

What is the difference between strcpy() and strncpy()?

1145

Why it is called runtime polymorphism?

1137

Can you declare an array without a size in c++?

1018

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