Given a huge database of non-unique integers, what is the best way to extract the largest thousand integers?
Engineer Software Interview Questions
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get second highest salary from employee table
cant disclose
Describe the 4 OOP concepts, polymorphism, inheritance, abstraction, encapsulation? C++ vs Java, Javascript vs Java?
Explain an algorithm for determining the shortest path through a room with the start, end, and several obstacle positions know.
Reverse a list
2nd one was a trick but popular question. 10 jars with 100marbles each. On jar has marbles weighing 1.1g others 1g. Find out which jar it is and in minimum number of comparisons.
Write functions that convert a string to uppercase or lowercase without assuming anything about the alphabet or character set it uses (for instance, do not assume it is in English or ASCII).
How do we index data stored into 5 different databases
The next one was a puzzle. There are 2 White hats and 2 Black hats. 4 persons in a room and at least one of them has to say the color of the hat on their head otherwise , if at least one person tells it wrong all 4 of them will be killed. The 4 persons are standing in the following direction 4(W)----> 3(B) -----> 2(W) -----> | <-----1 (B) 1 is already in the jail and he can't see any one . Any one can see only the persons ahead of them like 4 can see 3 and 2. Tell me who saves them and y. Interviewer was expecting to hear your explanation and he also liked to discuss how iam solving the puzzle.
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