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Technical Program Manager Interview Questions

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Given a string like "I'm being interviewed by Amazon" implement a method that reverses the given string so that it looks like "Amazon by interviewed being I'm".

8 Answers

In java: String str = "I'm being interviewed by Amazon"; String pieces[] = foo.split(); String reversedFoo; for (int i = pieces.length - 1; i >= 0; i--) { reversedFoo += pieces[i]; if (i > 0) reversedFoo += " "; } System.out.println(reversedFoo);

we can first reverse the whole string, and then reverse the individual words O(n) complexity

/** * Jun Zheng, Rice Univ * An interview question of Amazon * Java 7, Eclipse * Reverse a sentence, e.g., "Amazon is so gay" to "gay so is Amazon" * @param str * @return */ private String reverseSentence(String str){ str=new StringBuffer(str).reverse().toString(); int j=0; for(int i=0;i<str.length();i++){ if(str.charAt(i)==' '){ String s1=str.substring(j, i); s1=new StringBuffer(s1).reverse().toString(); str=new StringBuffer(str).replace(j, i, s1).toString(); j=i+1; } } String s1=str.substring(j, str.length()); s1=new StringBuffer(s1).reverse().toString(); str=new StringBuffer(str).replace(j, str.length(), s1).toString(); return str; }

What is the hardest thing in moving a team to Agile?

5 Answers

A vaguest ion that was asked in a very general way, but which the interviewer clearly had specific answers he was looking for: "what are four components that are included in every specification doc". That sounded a lot like a thing you would find at Microsoft and similar large companies where process is more strictly defined. I answered poorly, I think, perhaps because I haven't worked with that kind of spec in a very long time, and not on any projects that worked out well. Smaller orgs/programs/projects (startups and incubators, for example, where the outcome is always in flux, as I am accustomed to working with) can have poor specs, specs that are centered on marketing, planning documents that are made up of wireframes and time-based stage gates. In any case, I choked a bit, and the interview kind of skated around and became more specific as we went along. I don't think that is inappropriate, though, because Amazon does value and expect the ability to deal with ambiguity.

4 Answers

Given two arrays find all the points of intersection between the (i.e. equal elements) and return them in an array.

4 Answers

Explain how you would design and implement a asking algorithm using Java.

3 Answers

Estimate the number of spark plugs in the state of California.

4 Answers

how would you trouble shoot a slow download of content on a Kindle device?

3 Answers

ascii to integer

2 Answers

What is the look up time for a tree?

2 Answers

How do you reverseString? What if the length provided is negative? How would you handle it?

2 Answers
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