# | Line 447 | Line 447 | public class NavigableSetCheck { | |
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447 | ||
448 | static void shuffle(Integer[] keys) { | |
449 | int size = keys.length; | |
450 | < | for (int i=size; i>1; i--) { |
450 | > | for (int i = size; i > 1; i--) { |
451 | int r = rng.nextInt(i); | |
452 | Integer t = keys[i-1]; | |
453 | keys[i-1] = keys[r]; |
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