Important Questions on C++
Last Updated: Sep 13, 2013
Questions with Answers on C++ Programming Language
Following are the important questions on C++ with their answers which has been asked in the various exams and interviews. Let’s discuss them in detail.
Q1: What is C++?
Ans: C++ is a general purpose object oriented programming language invented in the early 1980 by bajarne stroutrup.
Q2: What is class?
Ans: A class can be declared as a collection of data members along with members function which allows association of data and functions into a single unit called encapsulation.
C++ Language
Q3: What are the different features of c++?
Ans: Following are the different features of the Classes in C++,
- Operators and function overloading
- Free storage management
- Constant types
- References
- Inline function
- Virtual function
- Templates
- Exception handling
Q4: Explain constructor?
Ans: Constructors is a member function having the same name as that of its class and is executed automatically when the class is instantiated(object is created).
Q5: What is a function?
Ans: A function is a block of code which executes the statements when we call it.
It consists of three entities:
1) the function name.this is simply a unique identifier.
2) The function parameters.this is a set of zero or more typed identifier.
3) The function return type this specifies the type of value function returns.
Q6: Explain Inline function?
Ans: Inline function are those function whose function body is inserted in place of the function call.
Q7: What is function overloading?
Ans: function polymorphism for function overloading is a concept that allows multiple function to share the same name with different arguments type assigning one or more function function body to the same name is known as function overloading.
Q8: What is implicit and explicit type conversion?
Ans: In implicit casting in c++ compile automatically handle the type conversion.the final result expressed in the highest precision possible.
Explicit: the conversion of data type of two operands is not automatic but forced.we can force an expression to be a specific type by using a cast.
Q9: What is inheritance in C++ and name the different types of inheritance?
Ans: it is a technique of organizing information in a hierarchy form. It is like a child inheriting the features of its parent.
The class which we are inheriting from is called as the base class and the class which inherits called as derived class.
Different types of inheritance are as follows-:
1) single level
2) Multi-level
3) Multiple
4) Hierarchical(hybrid)
5) multipath
Q10: What is friend function?
Ans: A friend function is a function which is use to access the private data member of different class.
Download the C++ Questions and Answers in pdf QUESTIONS ON C++ with Answers.pdf
Give your views about this article in the comments below this article.
Related Links-
Important Question on C++
C++ Interview Questions and Answers with PDF
Tell us Your Queries, Suggestions and Feedback
448 Responses to Important Questions on C++
« Wireless Transmission Questions on IC Engines with answers »
I want important questions in DSC++ from unit 1,2
I want important questions in DSC++ from unit 1,2
I want important questions in DSC++ from unit 1,2
i have problem in coding
Answers for important questions in c++ for every chapters
C++ questions
C++ questions
Tdc 1st sem
C++ learning
If you have any multiple choice questions about C++ sent me.
C++/define class cash register in c++ with the follow description: private members: cashOnHand of type integer public member s a default constructor cash register ()set the cash in the register to500.a constructor cash register(into set the cash in the register to a specific amount. A fun action getCurrentBalance())which returns value of cashOnHand. ,
A function accept amount(into) to receive the amount deposited by the customer and update the amount in the register
c++ program materail with previous question for bharathdhasan university
Hie, my name is hamza khan and i am from New Delhi.. My query is about programming in ++. I am doing bca from ignou. But still I have a back in c++ so please suggest how can I clear the exam please give me ans favour me some notes and easy way to clear this exam.
What are all the important questions in microprocessor and tell me how I m studying it in easy way?
i am studing in btech 2nd year and what must i do or practise more so that i can get a good job like job in any top companies like google or microsoft.
thaks
first year computer scince student at jimma university
What are the main questions in c++ from the exam point of view
write a friend function for adding the two different subject marks and display the sum using two classes
mechatronis question banks and previous year questions
Enter your any educational query or doubt umu campus