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?

1062

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

1078

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

1073

Explain the term memory alignment?

1239

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

1048

Define what is constructor?

1066

What is an html tag?

1148

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

1035

Explain the concept of memory leak?

1115

How do you decide which integer type to use?

1008

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

1081

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

1158

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

1120

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

1103

What is a dangling pointer in c++?

1156

Un-Answered Questions { C++ }

what is the difference between overloading & overriding? give example.

1196

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

1073

What do you mean by a template?

1070

Can there be at least some solution to determine the number of arguments passed to a variable argument list function?

1004

Given the following seqment of code containing a group of nested if instructions: y = 9; if ((x==3) || (x == 5)) y++; else if (x == 2) y *= 2; else if (x == ) y-= 7; else y = 8; if the value of x is 4 before the nested IFs are executed, what is the value of y after the nested IFs are executed?

2030

Why do we use constructor?

1060

What is flag in computer?

1055

What is copy constructor? Can we make copy constructor private in c++?

1091

How to allocate memory dynamically for a reference?

1049

What are inline functions? What is the syntax for defining an inline function?

1161

Can main method override?

1110

How do I tokenize a string in c++?

1101

How to declare a pointer to an array of integers?

1144

Why is main function important?

1112

Is c better than c++?

1072

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