--- jsr166/src/test/jtreg/util/Collections/CheckedListBash.java	2015/10/11 00:54:27	1.7
+++ jsr166/src/test/jtreg/util/Collections/CheckedListBash.java	2017/10/21 00:59:54	1.8
@@ -209,15 +209,14 @@ public class CheckedListBash {
     }
 
     static void AddRandoms(List 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();
             if (!s.add(e))
                 fail("Add failed.");
             int postSize = s.size();
-            if (postSize-preSize != 1)
+            if (postSize - preSize != 1)
                 fail("Add didn't increase size by 1.");
         }
     }