Nokia Interview Question And Answer

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One of my friend attended interview at Nokia few days back. As you may be aware of the fact that it is number one mobile company in world, it also pays the best salary, you can expect 50% hike! So why not try to apply in nokia, here are the interview questions asked. I have also tried to give hint for answering these interview questions. Prepare answers to these interview questions and attend the interview at Nokia.

Technical Round 1

1.What all debugging techniques have you learnt so far to debug mobile phone application?
2. Given a set of numbers find a consecutive subset of numbers whose sum is maximum. What is the complexity of your algorithm?
3. How will you implement a memory leak detector for your mobile application, so that when you come out of a scope, you can alert developer that there is a memory ?leak
4.What is the most challenging bug that you have fixed for a mobile application?
5. What are the differences between C++ and Java?

Technical Round 2

1. How does a unix machine boot, what is the process id of init?
2. Describe file system in unix.
3. How can a process communicate with another process in most efficient way?
4.How can you detect memory corruption?
5. Design a system which has UI which takes either an array of char's of integers , and a sorting algorithm(e.g. quick sort,merge sort) it sorts the array passed based on the algorithm passed. Answer Hint: Use Template Function and Algorithm Factory

Technical Round 3

1. Declare = operator for a class. 2. Why = operator has to return a reference why cannot it be void.
3. Explain how a mobile browser application works.
4. What is placement syntax?
5. Can a constructor be virtual?
6. How do you prevent developer allocating memory for a class in heap (that is using new)
7. How do you prevent developer from allocating memory for a class in Stack?