src/share/classes/java/util/LongSummaryStatistics.java

rev 7213 : 8015686: {Int|Long}SummaryStatistics toString() throws IllegalFormatConversionException
Reviewed-by: duke

@@ -169,11 +169,11 @@
      * debugging. The exact presentation format is unspecified and may vary
      * between implementations and versions.
      */
     public String toString() {
         return String.format(
-            "%s{count=%d, sum=%d, min=%d, average=%d, max=%d}",
+            "%s{count=%d, sum=%d, min=%d, average=%f, max=%d}",
             this.getClass().getSimpleName(),
             getCount(),
             getSum(),
             getMin(),
             getAverage(),