# Senior Developer Interview Questions

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### Senior Software Developer at Tower Research Capital LLC

Jun 7, 2010
 “Another was a puzzle: A king orders 100 bottles of wine for a celebration. A courtier who's angry with the king over something puts poison in one of those bottles. The king has a way of identifying...”

### Senior Applications Developer at Deutsche Bank

Feb 14, 2011
 “We have a pond containing a single bacterium. The number of bacteria double every 5 minutes, and the pond is full of them in 24 hours. If we started with the same pond but two bacteria, how long will...”

### Senior Unix/C++ Developer - Tradebook at Bloomberg L.P.

May 3, 2011
 “Sequence of numbers in random order and 1 of them is missing how to find that out...”

### Senior Developer at Goldman Sachs

May 11, 2010
 “Diff b/w var1 == var2 and var1.equals(var2) Which method needs to be implemented along with equals()?”

### Senior Developer at Goldman Sachs

May 11, 2010
 “public class WhichReturns{ public String whichReturns(){ try{ return "1"; }finally{ return "2"; } public static void main(String argv...”

### Senior Java Developer at Acuitus

Apr 5, 2010
 “A rustic village contains one million married couples and no children. Each couple has exactly one child per year. Each couple wants a girl, but also wants to minimize the number of children they...”

### Senior Applications Developer at Deutsche Bank

Feb 14, 2011
 “There are 10 stacks of 10 coins each. 9 of the stacks contain coins that weigh 1g each. The other stack contains coins of 2g each. The coins look the same. We have a scale that we can get a...”

### Senior Software Developer at Expedia

Apr 1, 2011
 “Write a function that determines if a tree is a BST or not”

### Senior Software Developer at General Motors

Mar 29, 2013
 “What is the difference between a Set and a List?”

### Senior Software Developer at Goldman Sachs

Mar 9, 2011
 “write a function to swap integers not using third int?”
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