static void printStats() {
      for (final Object o : accum.entrySet()) {
        Map.Entry e = (Map.Entry) o;
        Stats stats = ((Stats) (e.getValue()));
        long n = stats.number;
        double t;
        if (n > 0) {
          t = stats.sum / n;
        } else {
          t = stats.least;
        }
        long nano = Math.round(1000000.0 * t);
        System.out.println(e.getKey() + ": " + nano);
      }
    }
@test
@synopsis Times and checks basic map operations
geode-core/src/integrationTest/java/org/apache/geode/internal/util/concurrent/cm/IntMapCheckJUnitTest.java