Google Phone Interview (1st round)

(1st round)

Why do you like google?
What's the difference between process and threads?
What's the difference between Java and C++?
Tell me the basic concepts of object-oriented programming?
How to implement mutiple inherience in Java? Why java use interface while C++ keeps feature of multiple inherience?

Have you ever involved into any team project? what did you do?
How do you handle the case that you have different opinions with manager?

Then discuss about my research topic.

How to find most common word in billions of documents?
1. If memory allowed (hashtable). what's the time complexity?
2. What if multiple machines? What's the bottleneck?
3. What if just one machine and hashtable can not be stored in the memory?

Then, I asked hime some general questions.
The last task, he asked me to send code to him in 30 mintues. The task is write a function to transform a string into an integer.