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

Write about all the implicit member functions of a class?

1126

Why is that unsafe to deal locate the memory using free( ) if it has been allocated using new?

1126

How can you say that a template is better than a base class?

1110

Explain the term memory alignment?

1306

Carry out conversion of one object of user-defined type to another?

1098

Define what is constructor?

1119

What is an html tag?

1231

How do you traverse a btree in backward in-order?

1099

Explain the concept of memory leak?

1159

How do you decide which integer type to use?

1054

Can the operator == be overloaded for comparing two arrays consisting of characters by using string comparison?

1150

How does list r; differs from list r();?

1205

Describe the process of creation and destruction of a derived class object?

1177

When the constructor of a base class calls a virtual function, why doesn't the override function of the derived class gets called?

1159

What is a dangling pointer in c++?

1209

Un-Answered Questions { C++ }

How much maximum can you allocate in a single call to malloc()?

1165

What are the two main components of c++?

1159

Which command properly allocates memory a) char *a=new char[20]; b) char a=new char[20]; c) char a=new char(20.0);

1122

What are the characteristics of friend functions?

1079

Why do we use using namespace std in c++?

1127

What c++ is used for?

1154

What is the error in the code below and how should it be corrected?

825

How do you invoke a base member function from a derived class in which you have not overridden that function?

1189

Is std :: string immutable?

1105

Explain what are accessor methods?

1174

What is abstraction and encapsulation?

1069

What does #define mean in c++?

1353

Which ide is best for c++?

1095

How does com provide language transparency?

1063

What is implicit pointer in c++?

1145

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