C++ General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C++ General Interview Questions

Questions Answers Views Company eMail

given unsigned int ui1=3,ui2=7; what are the outputs of a)ui1 & ui2 b)ui1 && ui2 c)ui1 | ui2 d)ui1 || ui2 i also need the justification for the answers thank you

2 4846

simple c++ program for "abcde123ba" convert "ab321edcba" with out using string

5 11242

What are different types of polymorphism supported by C++

CA, GameLoft,

2 9891

What are different types of typecasting supported by C++

CA,

1 6230

What is size of empty class object

CA,

5 9041

What is size of a object of following class? class Foo { public: void foo(){} }

CA,

2 5131

What is OOPs

CA,

12 13846

Types of storage and scope of each type

CA,

2 4547

What is scope of a variable? (LOLZ)

CA, TCS,

2 7699

can anybody please tell me how to write a program in c++,without using semicolon(;)

NIIT,

6 9035

sizeof - is it a function or operator?

Honeywell,

6 10940

sizeof- is it functioning statically or dynamically?

2 4561

If we declare two macro with the same identifier without doing undef the first, what will be the result? eg: #define MAX_SIZE 100 #define MAX_SIZE 200 int table1[MAX_SIZE];

3 5907

program to print this triangle * * * * * *

Infosys,

12 24200

What is static function and static class?

HCL,

4 9770

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Un-Answered Questions { C++ General }

Why isn't sizeof for a struct equal to the sum of sizeof of each member?

961

Differentiate between a constructor and a method in C++.

1008

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. --- │ │ │ │ │ │ ---

2063

How do you decide which integer type to use?

956

How do you compile the source code with your compiler?

1021

Write a Program for read a line from file from location N1 to N2 using command line arguments. Eg:exe 10 20 a.c

1240

How does class accomplish data hiding in c++?

1135

Why is c++ still best?

940

How do you clear a set in c++?

1030

What does extern mean in a function declaration in c++?

1169

What is a hashmap c++?

1067

What is the main function c++?

1076

Explain Text Manipulation Routines?

1050

What is flag in computer?

995

Define anonymous class.

1038

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