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 1927

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

1 1564

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 1632

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

1 1606

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

1 1528

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 1651

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

1 1519

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?

1071

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

1124

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

1591

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

1123

What are the advantages of using pointers in a program?

1141

Un-Answered Questions { C++ }

What does no cap mean?

1064

What is #include sstream?

1066

What is a NULL Macro? What is the difference between a NULL Pointer and a NULL Macro?

1116

How does polymorphism work?

1143

Explain the advantages of using friend classes.

1171

How many different levels of pointers are there?

1215

What is multilevel inheritance in oop?

1043

What are virtual functions in c++?

1185

Arrange Doubly linked list in the ascending order of its integral value and replace integer 5 with 7?

4121

What are the advantages of early binding?

1075

What does ios :: app do in c++?

1034

Can we create object of abstract class?

1099

What are the advantages of using a pointer? Define the operators that can be used with a pointer.

1034

What is the difference between inheritance and polymorphism?

1114

Is c the same as c++?

1009

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