HCL Interview questions

HCL Interview questions C++
 1) First asked me to write a Sudo code/Design to a Multi threaded gateway program
 2)Another program/Design for a game from login to player may opt for Multiplayer/ single play game type sudo code?
3)Explain Dynamic binding Wire simple example code?
4)Write Virtual destructor code ?explain why its useful?
5)Which are the design paterns you know explain? also asked why Facade,observer pattern useful apart from other?

 By Navaneet ,Hyderabad
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Kony labs c++ interview questions

Kony labs interview questions
Hi All i am Rama krishna  i attended Kony labs interview in hyderabad I felt Interview like a english class hahaha and the interviewr is like ,I know every thing you dont know any thing like , i am not blaming any one sorry its fact...below are the questions asked apart from my resume correction,when writing code correcting my spelling mistakes...

1) If you want to use c code in c++ how you will use it?
  extern is the key word as per my knowledge,he says in expilcit decide which is correct 
2) Gave a binary tree asked question to count single incomplete binary nodes?
Wrote the code no arguments
3) Copy constructor ?
Compiler provides a default copy constructor i told this he(interviewer) says no its completely wrong ? which is correct you decide as per my knowledge compiler provides a default copy constructor ? he says he know it dosent provide we need to write? i tried to explain deep and shallow copy but he did hear my words visitor you please decide ...hahah
4)Assignment operater ?
Same argument in case of default assignment operator
5) What are signals and slots in QT?
6) What are events in QT? difference between signals and slots vs Events?


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Key point Technologies Interview Questions

 Key point Technologies Interview Questions

1)Tell me about your self.
2) Some questions on my projects
3)How to find linkedlist is circualar or not?
4)Find the Merge point in 2 linkedlists?
5)How to find the string in an array of strings which are arranged in sorted order in the array?
6)Some questions on singleton design pattern?
7)Single ton class also? How to create the singleton and how to delete the singleton object?
8)Asked Outputs of some methods
   void myfunc(int *a)
{
    a = new int;
    *a=10;
}
int main()
{
    int *p;
    myfunc(p);
    std::cout<<"p value is "<<*p<    return 0;
}

9)About searching techniques? some question?
10)Which search is best?
11)How do you do dynamic memory allocation in C,C++? what is the difference?
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