Junior software engineer Interview Questions in United States | Glassdoor.co.in

Junior software engineer Interview Questions in United States

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1. You are given x amount of balls, all but two are red, all but two are green, all but two are blue. How many balls do you have? 2. Why are manhole covers circular? 3. There are x amount of balls in a bag, 8 are red, 4 are green, 4 are blue. You are blind folded. What is the least amount of balls you have to pull out of the bag to be 100% sure you have 1 of every color.

4 Answers

1. 3 2. A circle cannot fall through a circle 3. 13

or for 2 it could be because a heavy round object is easier for one person to handle and move (roll) ... a circle can not fit fall through a circle..WTF.. neither can a square, rectable, trapezoid, or any other shapae that would sit on a shelf of sorts which is what the manhole does.

Circular covers don't need to be rotated or precisely aligned when placing them on the opening. A round manhole cover is easily moved and rolled.

count the number of duplicates in a binary tree in O(n) time O(1) space.

5 Answers

If you were tasked with deploying a Java API on AWS how would you go about doing that? Why would you do it this way?

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abstract Class vs Interface

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Some questions about Java basics, and some math problems and SQL

3 Answers

What about the company interested you to apply

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Implement a method to determine whether a string is a palindrome.

3 Answers

some questions about hashCode, equals method regex question java concurrency: wait, notify, notifyAll() swing component rendering routine(without using UI-delegate)

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Do you need sponsorship for this position?

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They asked me to show how I could loop over the words in a sentence backwards.

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