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

C++ General Interview Questions

Questions Answers Views Company eMail

Write about all the implicit member functions of a class?

1120

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

1121

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

1103

Explain the term memory alignment?

1304

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

1092

Define what is constructor?

1116

What is an html tag?

1229

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

1095

Explain the concept of memory leak?

1156

How do you decide which integer type to use?

1050

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

1146

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

1200

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

1171

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

1156

What is a dangling pointer in c++?

1205

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Un-Answered Questions { C++ General }

How should a contructor handle a failure?

1237

Will a recursive function without an end condition every quit, in practice a) Compiler-Specific (Some can convert to an infinite loop) b) No c) Yes

1135

What are the advantages of inheritance in c++?

1141

How the endl and setw manipulator works?

1055

What is a sequence in c++?

1074

What is the importance of mutable keyword?

1076

Explain the concept of dynamic allocation of memory?

1152

What can c++ be used for?

1162

What is this pointer in c++?

1486

What is std namespace in c++?

1230

What is a namespace in c++?

2143

Can recursive program be written in C++?

1269

Can I make ios apps with c++?

1097

State the difference between pre and post increment/decrement operations.

1149

How do you define a class in c++?

1135

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