--- jsr166/src/test/jtreg/util/Collections/CheckedSetBash.java	2015/10/18 17:34:26	1.7
+++ jsr166/src/test/jtreg/util/Collections/CheckedSetBash.java	2017/10/21 00:59:54	1.8
@@ -122,9 +122,8 @@ public class CheckedSetBash {
     }
 
     static void AddRandoms(Set s, int n) {
-        for (int i=0; i<n; i++) {
-            int r = rnd.nextInt() % n;
-            Integer e = new Integer(r < 0 ? -r : r);
+        for (int i = 0; i < n; i++) {
+            Integer e = rnd.nextInt(n);
 
             int preSize = s.size();
             boolean prePresent = s.contains(e);