Java quicksort (instance)

Quick sort

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thought

As shown in the figure above: at the beginning of each quick sort, set a key, key = array [low], then move from high to left, find a value less than key, copy it to the low position, then move from low to right, find a value greater than key, and copy it to the high position until the end of Low = high,

Copy the key to the low position.

In the figure above, find the position of 32 after the first round of division, and then recursively sort the left and right of 32.

code:

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