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C++ Interview Questions
Questions Answers Views Company eMail

explain sub-type and sub class? atleast u have differ it into 4 points?

Infosys,

2317

I want to write a C++ language program that: 1. Reads in the size of a square from the screen; 2. Prints a hollow square of that size out of “-“, “|” and blanks on screen; 3. Prints the same hollow square onto a text file. The program should work for squares of all side sizes between 1 and 20.

2799

Reads in the size of a square from the screen; 2. Prints a hollow square of that size out of “-“, “|” and blanks on screen; 3. Prints the same hollow square onto a text file. Your program should work for squares of all side sizes between 1 and 20. --- │ │ │ │ │ │ ---

2108

What is DeadlyDiamondDeathProblem ?

1 3951

Which is the best institute in hyderabad for C/C++ and it also has fast track course structure.

Wipro,

13 33104

Write a program to multiply 3x3 matrics

1 4080

Write a program to accept a number and to print numbers in pyramid format? for eg:for a no. 5 1 212 32123 4321234 543212345

7 27079

Write a C++ program that asks the user to choose a number between 1 and 1000. Then, your program should be able to guess the number by asking the user no more than 10 yes/no questions. Use a while loop in your program

1 7098

1.explicit call for destructor 2.calling function inside a constructor. 3.base *b-new derived delete b; 4.delete p what it will delete. 5.size of base class and derived class int i,in base class and int j in derived. 6.int i-20 int main() { int i =5; printf("%d".::i); { int i =10; printf("%d".::i); } } 7.object slicing 8.new 9.function overloading(return type). 10.class base() { virtuval fun() { ----- } } class derivied:public base() { fun() { ----- } } int main() { derived d; } 11.how static function will call in C++? 12.default structures are in C++? 13.constructors should be in public . 14.virtuval constructor not exist. 15.multilevel inhritence. destructor order.

Tech Mahindra,

1 4539

1.what are two type of classe members called? 2.what is data hiding and data encapsulation? 3.how do you make a class member visible aouside its class? 4.what is the default visibility of a class data member? 5.what are the advantages of oop over the structured programing?

6 11891

write a program which best describes polymorphism in real world?

CTS, Infosys, NexGen,

2 9608

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

3157

How do you print for example the integers 3,2,1,5,4 in a binary tree within the console in format where it looks like an actual binary tree?

2116

what Is DCS ? what i will get benefit when i did?

2360

program explaining feautures of c++

Satyam,

2447


Un-Answered Questions { C++ }

Which language is not a true object oriented programming language?

1141


If we want that any wildcard characters in the command line arguments should be appropriately expanded, are we required to make any special provision? If yes, which?

1514


What gives the current position of the put pointer?

1002


Are strings mutable in c++?

1141


What does no cap mean?

1068


Differentiate between an external iterator and an internal iterator? What is the advantage of an external iterator.

1048


can any one help to find a specific string between html tags which is changed to a sting.. weather.html looks (for location) is somewhere #include #include #include using namespace std; string find_field(string myPage,string); int main (void) { string page, line, location, temperature; ifstream inputFile("weather.xml"); while(getline(inputFile, line)) { page.append(line); line.erase(); } // Now page is a string that contains the whole xml page // Here you need to write something that finds and // extracts location and temperature from the XML // data in the string page and stores them in // the strings location and temperature respectively location=find_field(page,"location"); temperature=find_field(page,"temp_c"); cout << "Location: "<

2058


What does asterisk mean in c++?

1121


Why is polymorphism useful?

1081


What is the purpose of polymorphism?

1128


Can union be self referenced?

1164


Why cstdlib is used in c++?

1049


What is the use of 'this' pointer?

1254


What is abstraction in c++ with example?

1149


What does <> mean pseudocode?

1200