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Object Oriented Programming in C++ Interview Questions & Answers

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Object Oriented Programming in C++ Interview Questions & Answers

C++ and Object Oriented Programming. Object Oriented programming is a programming style that is associated with the concept of Class, Objects and various other concepts revolving around these two, like Inheritance, Polymorphism, Abstraction, Encapsulation etc. The prime purpose of C++ programming was to add object orientation to the C programming language, which is in itself one of the most powerful programming languages. The core of the pure object-oriented programming is to create an object, in code, that has certain properties and methods.

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What do you mean by binding of data and functions?
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What is abstraction?
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How can we define a dynamic memory allocation in UNIX operating system?

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What are the different types of polymorphism?



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What will happen if I say delete this


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What is an object?


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Can the structures contain the constructor?
If yes, then how?
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what are the disadvantages of copy constructor??
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HI, THIS PROGRAM MUST BE SUBMMITED AS SOON AS POSSIBLE.MAY YOU PLEASE HELP ME TO TACKLE IT ? I’LL BE VERY PLEASE IF I CAN GET HELP.





MULTICHOICE VIDEO RENTAL SHOP needs an Object Oriented program that process the following information about ten (10) videos in their stock
• The title, the director, the year produced and a list of main actors for each video. (If there are more than five main actors, include only the five most famous actors)
• The function setVideo that input information into each video object
• The function getVideo that displays information of a particular video on the screen
• A customer (identified by ID) plus his full names and address can borrow at most 2 videos @ R12.50 per day. A penalty of 10% per day is charged if returned late. The borrow period is at most 7 days
• Video titles should not exceed 25 characters in length. If that happens, truncate the length to a most 25 characters
• A video should be checked if is not rented out before borrow transaction is processed. If borrowed out the customer should either be requested for the second choice or be advised when the video is expected back in the shop
• Failure for the shop to receive the video back within 7 days, is considered permanent loss and the customer is liable to a R400.00 compensation fee
• Information about the number of films in stock at any point in time should be readily available
• At the end of business, a report should be generated showing
o Which films are rented out and when are they due
o To which customers they are borrowed to
o Which videos are left in stock
o How much money was collected for the day
Generate your own test data that will test all cases to illustrate the accuracy and consistency of your program

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How can I set the background in flash like camera?( black color that some times for a specific time your background becomes white)
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create six large matrices in subprogram (100*100) two static and three stack dynamic ...fill two static,two stack matrices with random numbers 1 to 100 ..the code in subprogram must perform large matrix multiplication on static matrices and should repeat this with stack dynamic ...compare and explain result?
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Write a C++ program that contains a structure named “Student” having two data members

1) Name

2) CGPA
Declare array of structure “Student” of size 10 .Populate this array by taking data from file inputFile.txt.File inputFile.txt contains Name and CGPA of the students for current semester. There is a single space between the Name and CGPA.

Display the un-sorted list of students on screen. Compare the CGPAs of all the students and sort Student List with respect to CGPA in ascending or descending order.

Display the sorted list of students, highest CGPA and lowest CGPA on screen and also write the result in File outputFile.txt with tab characters between the Name and CGPA.
Sample InputFile.txt
Ahmer 4.0

Aasim 3.5
Usman 3.4
Maria 2.4
Anila 3.0
Humza 2.6
Junaid 3.0
Talaal 3.8
Haris 3.9
Saira 2.6
Sample OutputFile.txt

Sample outputFile.txt





Name CGPA

===============

Maria 2.4

Humza 2.6

Saira 2.6

Anila 3.0

Junaid 3.0

Usman 3.4

Aasim 3.5

Talaal 3.8

Haris 3.9

Ahmer 4.0

===============

Highest CGPA = 4.0

Lowest CGPA = 2.4

































Sample output of screen:



Unsorted List of Students

Name CGPA

Ahmer 4.0

Aasim 3.5

Usman 3.4

Maria 2.4

Anila 3.0

Humza 2.6

Junaid 3.0

Talaal 3.8

Haris 3.9

Saira 2.6



Sorted List of Students

Name CGPA

===============

Maria 2.4

Humza 2.6

Saira 2.6

Anila 3.0

Junaid 3.0

Usman 3.4

Aasim 3.5

Talaal 3.8

Haris 3.9

Ahmer 4.0

===============

Highest CGPA = 4.0
Lowest CGPA = 2.4
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Write a program on abstract class.
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When do we use abstract.h?Give an example with a small program.
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A positive integer entered through the keyboard. Write a function to obtain the prime factors of this number.
For example : prime factors of 24 are 2,2,2 and 3,, where as prime factor of 35 are 5
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What is the object-oriented design,inheritance and dynamic polymorphism in c++?
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As an electric engineer choose a suitable electric engine to work in an electric metro. the power of engine is velated to the maximum speed of the metro as folloe:
0<v_max<=50km/hr. ip=0,5v_max^(2)
50<v_max<=100km/hr. ip=0,25 v_max^(2,5)+200
100<v_max. ip=2v_max^(3)
choose the suitable motor and state the corre speeding power of the motor.
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How to write a program to read sequences of integer from keyboard.program should sum all even and odd numbers?
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plz tell how can i attach oracle database with c++?
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Write programs using nested loops to produce the following design:
*
* * *
* * * * *
* * *
*
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