Difference between Collections sort and Arrays sort Which one is better in terms of time efficiency?

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Java 7 uses Dual-Pivot Quicksort for primitives and TimSort for objects.

premsahoo
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are you sure merge sort is used? Not quick sort ( optimized )?

alexeystaroverov
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I think arrays.sort uses quick sort with dual pivot. Can you check on this again?

sonalshinde
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Collections.sort internally calls for Arrays.sort which is either merger or tim sort

nikalldway
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