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C++ Interview Questions

Below we have listed all the C++ Interview Questions and answers. Feel free to comment on any C++ Interview Questions or answer by the comment feature available on the page.

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C++ is an object oriented programming (OOP) language, developed by Bjarne Stroustrup, and is an extension of C language. It is therefore possible to code C++ in a "C style" or "object-oriented style." It has imperative, object-oriented and generic programming features, while also providing facilities for low-level memory manipulation. It was designed with a bias toward system programming and embedded, resource-constrained and large systems, with performance, efficiency and flexibility of use as its design highlights.

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Subcategories for C++ Interview Questions & Answers :-

Following are sub categories for which Interview Questions & Answers are available under C++ Interview Questions & Answers. Please select the appropriate sub-category:-

Arrays, Strings, Pointers and References in C++ Interview Questions & Answers (48) Exam Mode | Learning Mode

C++ Basics Interview Questions & Answers (66) Exam Mode | Learning Mode

Control Flow in C++ Interview Questions & Answers (3) Exam Mode | Learning Mode

Exceptions in C++ Interview Questions & Answers (5) Exam Mode | Learning Mode

Functions in C++ Interview Questions & Answers (27) Exam Mode | Learning Mode

Inheritance in C++ Interview Questions & Answers (30) Exam Mode | Learning Mode

Input and Output Operations in C++ Interview Questions & Answers (12) Exam Mode | Learning Mode

Object Oriented Programming in C++ Interview Questions & Answers (42) Exam Mode | Learning Mode

Operator Overloading in C++ Interview Questions & Answers (18) Exam Mode | Learning Mode

Operators in C++ Interview Questions & Answers (24) Exam Mode | Learning Mode

Templates in C++ Interview Questions & Answers (12) Exam Mode | Learning Mode

Variables in C++ Interview Questions & Answers (13) Exam Mode | Learning Mode

Virtual Functions in C++ Interview Questions & Answers (26) Exam Mode | Learning Mode

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What is an interface class?
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How can I create a process that is running a supplied native executable (e.g., cmd.exe)?
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Is it possible to restrict the scope of a field/method of a class to the classes in the same namespace?
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Can I define a type that is an alias of another type (like typedef in C++)?
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State the methods through which parameters can be passed?
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Explain about reference parameter?
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Is it possible to have Virtual Constructor? If yes, how? If not, Why not possible ?
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What about Virtual Destructor?
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What is Pure Virtual Function? Why and when it is used ?
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What is problem with Runtime type identification?
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Is there anything you can do in C++ that you cannot do in C?


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Why do C++ compilers need name mangling?
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Is there any problem with the following:
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What issue do auto_ptr objects address?
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Can you think of a situation where your program would crash without reaching the breakball, which you set at the beginning of main()?
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What happens when a function throws an exception that was not specified by an exception specification for this function?
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What is the difference between new/delete and malloc/free?
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How do you know that your class needs a virtual destructor?
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What are the differences between a C++ struct and C++ class?
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How the compilers arranges the various sections in the executable image?
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Latest 20 Questions
Payment of time- barred debt is: (a) Valid (b) Void (c) Illegal (d) Voidable
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal
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