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C++ General Interview Questions
Questions Answers Views Company eMail

What is the need of a destructor?

1145

Show the application of a dynamic array with the help of an example.

1142

Explain dangling pointer.

1130

How does code-bloating occur in c++?

1205

Define upcasting.

1043

Are there any special rules about inlining?

1085

What is the use of default constructor?

1099

Define virtual constructor.

1097

Explain container class.

1248

What are the advantages of early binding?

1075

Explain one-definition rule (odr).

1119

Explain how to initialize a const member data.

1033

When do we use copy constructors?

1084

Explain the benefits of proper inheritance.

1150

Write a program using merge () function to combine the elements of array x[ ] and y[ ] into array z[ ].

1065


Post New C++ General Questions

Un-Answered Questions { C++ General }

What does flush do c++?

1067


Explain explicit container.

1087


What kind of problems can be solved by a namespace?

1098


Describe linked list using C++ with an example.

1087


Does improper inheritance have a potential to wreck a project?

1156


What is the difference between the parameter to a template and the parameter to a function?

1121


How does c++ structure differ from c++ class?

1134


Write a program to read the data and evaluate the results of the election. Print all output to the screen. Your output should specify: The total number of votes, the number of valid votes and the number of spoilt votes. The winner(s) of the election. Hint: An appropriate search should be used to determine the winner(s). The votes obtained by each candidate sorted in terms of the number of votes obtained. Hint: An appropriate sort should be used to sort the candidate(s). The Source code should be saved as VotingSystem. Project Input: Candidates’ Names and Numbers 2501 Victor Taylor 2502 Denise Duncan 2503 Kamal Ramdhan 2504 Michael Ali 2505 Anisa Sawh 2506 Carol Khan 2507 Gary Owen Votes 3 1 2 5 4 3 5 3 5 3 2 8 1 6 7 7 3 5 6 9 3 4 7 1 2 4 5 5 1 4 0 Project Output: Invalid vote: 8 Invalid vote: 9 Number of voters: 30 Number of valid votes: 28 Number of spoilt votes: 2 The winner(s): 2503 Kamal Ramdhan 2505 Anisa Sawh Candidate Score 2503 Kamal Ramdhan 6 2505 Anisa Sawh 6 2501 Victor Taylor 4 2504 Michael Ali 4 2502 Denise Duncan 3 2507 Gary Owen 3 2506 Carol Khan 2

3155


How does code-bloating occur in c++?

1205


What is a forward referencing and when should it be used?

1166


Define pre-condition and post-condition to a member function in c++?

1153


Why use of template is better than a base class?

1188


What is a manipulative person?

1021


If horse and bird inherit virtual public from animal, do their constructors initialize the animal constructor? If pegasus inherits from both horse and bird, how does it initialize animal’s constructor?

1211


Write a program to show polymorphism in C++?

1148