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Results tagged with interview-questions
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user 22251
This tag is for questions that came up in an interview.
34
votes
Checking if a number is power of 2 or not
There's actually a bit hack for this :
private static boolean isPowerOfTwo(int number) {
return number > 0 && ((number & (number - 1)) == 0);
}
(ref : Bit Twiddling hacks)
This exploits the …
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