# | Line 510 | Line 510 | public class NavigableMapCheck { | |
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510 | ||
511 | static void shuffle(Integer[] keys) { | |
512 | int size = keys.length; | |
513 | < | for (int i=size; i>1; i--) { |
513 | > | for (int i = size; i > 1; i--) { |
514 | int r = rng.nextInt(i); | |
515 | Integer t = keys[i-1]; | |
516 | keys[i-1] = keys[r]; |
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