Web Applications Developer Interview Questions | Glassdoor

# Web Applications Developer Interview Questions

123

Web applications developer interview questions shared by candidates

## Top Interview Questions

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### Engineer - QCS Server Web Applications Development at Qualcomm was asked...

Jan 26, 2011
 How to discover if the given number is Power of 2 ? 4 Answers10=2 100=4 1000=8… Caught the thing .. he didn't like my implementation. don't be nervous!return (( x!=0) && (x & (x -1) == 0)) a number which is power of two will have single 1 in binary representation ex. 16 00010000 x-1 will have pattern 00001111 hence x&(x-1) will always be 0 for power of two numbers. Need to check condition for x!=0 since 0 is not a power of two. Special case to handle.if you can figure this out inside an hour, congratulations this isnt something that should be in an interview to be honest the level of difficulty of the answer that algo came up with is at the level of an upper division course that has a proof of it written in wikipedia i honestly like the brute force solutionShow More ResponsesDivide the number by 2, and repeat, until the result is a not an integer number (in this case is not a power of 2) or the result is 1 (in this case the number was a power of 2).

### Engineer - QCS Server Web Applications Development at Qualcomm was asked...

Jan 26, 2011
 Binary tree , left node has smallest value . Print 5 10 20 25 and then “count of nodes=4”… 2 Answersrecursion ... defined "current=head" in the method so it doesn't changes ofcourse, even if I sent current.next in recursion... don't be nervous!Did not get this question? Could you please eleborate it more?

### .NET Web Applications Developer at Cigna was asked...

Jan 1, 2017
 They asked me what system administration tools I had used.1 AnswerI told them this job is not for a systems administrator.

### Web Applications Developer (Intern) at SimonComputing was asked...

May 4, 2014
 The word problem posed by the interviewer was exceedingly simple; list all prime numbers between two positive integers, m and n. This was the easiest question I have been asked by a recruiter/interviewer so far.1 AnswerSieve of Eratosthenes works well, as does simply using the modulus-operand approach on every number (inclusive) between m and n.

### Engineer - QCS Server Web Applications Development at Qualcomm was asked...

Jan 26, 2011
 16 bit number: how to change the bits 0 with 1, 2 with 3 etc.. 1 Answernum && 101010101010101= first byte ; num && 0101010101010101 =sec byte, then first shift right, sec shift left and OR operand ” || “ for both..

### Engineer - QCS Server Web Applications Development at Qualcomm was asked...

Jan 26, 2011
 How to found first unrepeated character in the string. “abca” return “b” 1 Answer??.. Wrote something . don't remember.. don't be nervous!

### Web Applications Developer at Arizona State University was asked...

May 9, 2014
 How would you paginate results in a Oracle result set?1 AnswerUnlike MySQL, there's no LIMIT clause. You can use oracle's ROWNUM to specifiy a greater than or less than condition, but you'll have to query the result set twice to build the upper and lower bounds.

### Engineer - QCS Server Web Applications Development at Qualcomm was asked...

Jan 26, 2011
 write class implements Queue with ability to set Priority for an item of the Queue 1 AnswerI was so nervous!... it was a firs question.. don't be nervous!

### Web Or Applications Developer at Emory University was asked...

Feb 10, 2012
 Describe the difference between html and xhtml1 AnswerAs this is a web job xhtml is more structured everything should be lower case and end in />

### Web Applications Developer at Level Up Development was asked...

Oct 27, 2013
 Salary was probably the most difficult question, because you don't really know what to expect from a company of this size.1 AnswerI recommend responding with your market rate.
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