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

Check for Balanced Parentheses using Stack?

1 1251

What is an Object/Instance?

1 1251

What do you mean by C++ access specifiers ?

1 1286

What are the basics concepts of OOPS?

1 1249

What is the use of volatile keyword in c++? Give an example.

1 1199

In how many ways we can initialize an int variable in C++?

1 1519

What are C++ inline functions?

1 1281

What do you mean by internal linking and external linking in c++?

1 1450

How many storage classes are available in C++?

1 1365

What is 'Copy Constructor' and when it is called?

1 1290

What is realloc() and free()? What is difference between them?

1 1300

What is difference between shallow copy and deep copy? Which is default?

1 1349

What are virtual functions and what is its use?

1 1416

What do you mean by pure virtual functions in C++? Give an example?

1 1498

How to create a pure virtual function?

1 1633

Un-Answered Questions { C++ }

How do you clear a buffer in c++?

963

Write a Program for read a line from file from location N1 to N2 using command line arguments. Eg:exe 10 20 a.c

1296

Following are the class specifications: class {int a}; class {int b}; Using friend funtion,calculate the max of two objects and display it.

2464

What is polymorphism in oops with example?

1056

What is vector pair in c++?

1229

What is the purpose of ios::basefield in the following statement?

1262

What is debug class?what is trace class? What differences are between them? With examples.

2198

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

1026

State what is encapsulation and friend function?

1267

What is the use of class in c++?

1085

Will rust take over c++?

1060

Can notepad ++ run c++?

1086

What is the two main roles of operating system?

1042

Explain this pointer?

1068

What does asterisk mean in c++?

1119

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