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	Object Oriented Programming in C++ Interview Questions & Answers Below we have listed all the Object Oriented Programming in C++ Interview Questions and answers. Feel free to comment on any Object Oriented Programming in C++ Interview Questions or answer by the comment feature available on the page. To buy an eBook containing 30,000 Interview Questions, with Answers, Click Here. View All Object Oriented Programming in C++ Interview Questions & Answers - Exam Mode / Learning Mode
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 are the disadvantages of copy constructor??		View Answer
Hi, I was asked the below question in one interivew. Imagine you're maintaining a big project which is having 50k+ lines of code and as part of enhancements, you received a request to add a functionality in one of the .cpp files. For this, you need to add a new function. How do you write a new fucntion without adding a prototype to the header file (because, if you add prototype in the headerfile, the compiler has to compile all the other files). So, the requirement is not to touch the header file but add functionality in the cpp file. How do you add?		View Answer
How can you tell what shell you are running on UNIX system?		View Answer
What are the steps involved in designing?		View Answer
Write a program on abstract class.		View Answer
When do we use abstract.h?Give an example with a small program.		View Answer
Differences of C and C++ Could you write a small program that will compile in C but not in C++ ?		View Answer
What do you mean by binding of data and functions?		View Answer
Will it execute or not?		View Answer
Q1.write C++ program to accept a string and display ascii value letter by letter then display sum of all ascii values. Q2.write C++ program to accept 20 nos and then display max & min.		View Answer
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		View Answer
What is an object?		View Answer
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?		View Answer
How can i create a program in C++ which would input 5 random numbers, then it would arrange them in an ascending order, in descending order, from highest to lowest value and from lowest to highest value?		View Answer
How can I set the background in flash like camera?( black color that some times for a specific time your background becomes white)		View Answer
What do you meant by active and passive objects?		View Answer
List out some of the object-oriented methodologies.		View Answer
Given an integer N>0,write a recursive c++ function that writes the integer 1,2,.......N ?		View Answer
What is multithreading?		View Answer
How to write a program to read sequences of integer from keyboard.program should sum all even and odd numbers?		View Answer