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Principal Engineer Interview Questions

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How will you save a hierarchical data into a file.

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we can use xml to stored hirerchical data... as it represents a tree structure

we can use xml to stored hirerchical data... as it represents a tree structure

analytical- there are 50 floors in a building. You are given two balls which can break at a certain f trheight . Give a solution where you can determine the critical height at which a ball breaks. the solution should be optimised to give the least no. of tries for the worst case scenario(i.e where the ball breaks on the 50th floor only)

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A very simple code was asked for writing some JMS code.

1 Answer

When you ping a machine, it returns: TTL expired; what could the cause be?

1 Answer

Nothing, more about current project architecture

1 Answer

In technical rounds, questions were mostly to judge java coding skills, problem solving skills, design skills, any important functionality you delivered in your current project, etc. eg. Two threads, one printing odd numbers, another printing even numbers. Run them in such a way, output comes as 1,2,3,4,... in order.

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Previous project related implementation Trees , some on search

1 Answer

*How to find out the inorder successor of a node in a tree??

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question on deadlock avoidance and the resulting deadlock avoidance algorithms.

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Trim a string in Java (remove leading and trailing white space). You can't use the String.trim() function. Do it just using an array. Keep in mind the string could have white spaces within it.

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