What is difference between Collections. Sort() and Arrays.sort()? Which one is better with respect to time efficiency?

By | August 12, 2019

In this blog post we will discuss about one of the very important java interview question What is difference between Collections. Sort() and Arrays.sort()? Which one is better with respect to time efficiency?

Collections.sort() internally calls Arrays.sort() and thus the underlying algorithm for both of these methods is same. The only difference is the type of input these methods accept.  Quick Sort algorithm is used by Arrays.sort() method.

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