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

When should you use global variables?

1289

What is a constant reference?

1134

How do you invoke a base member function from a derived class in which you’ve overridden that function?

1176

What does catch(…) mean?

1175

What is a v-table?

1232

If horse and bird inherit virtual public from animal, do their constructors initialize the animal constructor? If pegasus inherits from both horse and bird, how does it initialize animal’s constructor?

1266

What is a try block?

1121

Why can’t you call invariants() as the first line of your constructor?

1091

Do class declarations end with a semicolon?

1131

What is the difference between object-oriented programming and procedural programming?

1307

Do class method definitions?

1095

If a base class declares a function to be virtual, and a derived class does not use the term virtual when overriding that class, is it still virtual when inherited by a third-generation class?

1106

Is the declaration of a class its interface or its implementation?

1235

When is the destructor called?

1090

What is the insertion operator and what does it do?

1104

Un-Answered Questions { C++ }

In C++ what do you mean by Inheritance?

1158

Which bitwise operator is used to check whether a particular bit is on or off?

1124

Which software is used for c++ programming?

1139

What is the difference between a pointer and a link in c ++?

1119

What are the different types of comments allowed in c++?

1034

When should you use global variables?

1289

Write a function to perform the substraction of two numbers. Eg: char N1="123", N2="478", N3=-355(N1-N2).

1057

What is abstract class in c++?

1145

What is the use of ::(scope resolution operator)?

1129

What is null pointer and void pointer?

1122

What is destructor example?

1124

What is the c++ programming language used for?

1097

What is a local variable?

1136

What is functions syntax in c++?

1209

What do you mean by a template?

1119

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