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

C++ General Interview Questions

Questions Answers Views Company eMail

what do you mean by memory management operators

HCL,

4 13066

What is the stack?

IBM, ICICI,

5 9987

Enter n no. of element and delete value from desire position

1 3650

write the code that display the format just like 1 2 1 3 2 1 4 3 2 1 5 4 3 2 1 6 5 4 3 2 1

5 7442

write infinite loop in C++ which does not use any variable or constant?

3 7782

write a program in c++ to generate imp z y x w v w x y z z y x w x y z z y x y z z y z z

4 8774

print first nodd numbers in descending order

7 25201

program in c++ to input digits and print in words

Microsoft,

1 10966

wap to accept 10 numbers & display the number of odd and even numbers??

1 6829

You have to take 2 arrays of length 10. Input the values of array 1 from the user. Then copy the values of array 1 to array 2 in ascending order For example if user enters 9, 5, 6, 8, 1, 0, 2, 7, 4, 3 then copy the smallest element i.e. 0 first followed by 1, 2 and so

1 3885

class A { public: void f(); protected: A() {} A(const A&){} }; Examine the class declaration shown above. Why are the default and copy constructors declared as protected? 1. To ensure that A cannot be created via new by a more derived class 2. To ensure that A cannot be copied 3. To ensure that A cannot be used as a base class except when public inheritance has been used 4. To ensure that A cannot be created/copied outside the inheritance chain 5. To ensure that A cannot be instantiated as a static variable

1 8040

What is name mangling?

3 6874

What is dangling pointers?and what is memory leak?

5 43214

What are templates? where we should use it?

Alcatel,

2 5453

Any one help me plzzzz..... i have an assignment...... that is ______*********_______ Write a program that takes an equation as a string and does the following: Solve 8 parts to achieve 100% 1 - 5 are compulsory. Input: 2x^2+3x+4=0 1) read a quadratic equation 2) print its coefficients (coefficients range is 0 to 9) 3) print the solution of the equation 4) tackle imaginary solution e.g. ( (2+3i), (2-3i) ) 5) allow spaces within the input 6) after solving one equation; ask for an other, terminate on empty line. * 7) tackle negative values as well * 8) tackle more than one values of same exponent (e.g. 2x^2 + 3x^2 + 4x + 3 = 0)* 9) use strtok * 10) print the solution in fractions e.g. 1.5 should be printed as (1)1/2 * 11) coefficient can be greater than 9** 12) values on both sides of the ‘=’ sign** 13) plot the graph of the polynomial** 14) use a compiler other than Borland** 15) submit before May 25, 2009 11:59 PM ** _______******________ plz send me c++ code at sweety.alvi@gmail.com

1 3539

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Un-Answered Questions { C++ General }

What is a Default constructor?

1595

How can you say that a template is better than a base class?

1073

What is iterator c++?

992

What is the use of setprecision in c++?

1016

Explain all the C++ concepts using examples.

1206

What is the word you will use when defining a function in base class to allow this function to be a polimorphic function?

1180

Explain about Virtual Function in C++?

1029

Why ctype h is used in c++?

963

Which c++ compiler is best?

1160

Keyword mean in declaration?

1061

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

1211

Which programming language's unsatisfactory performance led to the discovery of c++?

1336

What are manipulators used for?

1101

what is Member Functions in Classes?

1202

What is #include cstdlib in c++?

1187

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