What is vector in C++?C/C interview question set 2/C/C Interview Questions and Answers for Freshers & Experienced

What is vector in C++?

A sequence of containers to store elements, a vector is a template class of C++. Vectors are used when managing ever-changing data elements. The syntax of creating vector.
vector <type> variable (number of elements)

For example:

vector <int> rooms (9);

Posted Date:- 2021-08-24 05:38:39

What is the role of the Static keyword for a class member variable?

What is a COPY CONSTRUCTOR and when is it called?

What is the difference between an Object and a Class?

What is Name Mangling?

Explain Register Storage Specifier.

What is a Storage Class? Mention the Storage Classes in C++.

What is wrong with this code?

T *p = 0;
delete p;

Explain what is COPY CONSTRUCTOR and what is it used for?

Explain what is pre-processor in C++?

Explain what is upcasting in C++?

Explain what is C++ exceptional handling?

What is the C-style character string?

Explain what are Access specifiers in C++ class? What are the types?

Define basic type of variable used for a different condition in C++?

.Explain Function overloading with a different number of arguments with an example?

Explain the declaration of variables in C++?

How To Get The Current Position Of The File Pointer?

What is an Inline function in C++?

What is object in C++?

How to reverse a vector in C++?

How to initialize vector in C++?

What is a Friend class?

What are new and delete operator?

How to concatenate two strings in C++?

Explain briefly Classes & Objects?

What is calloc() function? Describe the syntax?

What is the function of the keyword "Auto"?

What are the functions of the scope resolution operator?

Define Block scope variable?

Can we have a String primitive data type in C++?

What is a mutable storage class specifier? How can they be used?

What do you mean by ‘void’ return type?

How to initialize a 2d vector in C++?

What is stl in C++ with example?

What is the use of pure virtual function?

What are character constants in C++?

Is there any advantage of using one over the other?

What is the difference between equal to (==) and Assignment Operator (=)?

What is an Abstract Class?

How many ways are there to initialize an int with a Constant?

What is the precedence when there are a Global variable and a Local variable in the program with the same name?

Comment on Local and Global scope of a variable.

Difference between Declaration and Definition of a variable.

What are the Comments in C++?

What is destructor?

What is vector in C++?

What are the types of Polymorphism?

What is Polymorphism?

What is exception handling in C++?

What is inline function in C++?

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