Method sum

output/java_guava/1.4.17/LongAdder.java:118–130

Returns the current sum. The returned value is NOT an atomic snapshot; invocation in the absence of concurrent updates returns an accurate result, but concurrent updates that occur while the sum is being calculated might not be incorporated. @return the sum

()

  public long sum() {
    long sum = base;
    Cell[] as = cells;
    if (as != null) {
      int n = as.length;
      for (int i = 0; i < n; ++i) {
        Cell a = as[i];
        if (a != null)
          sum += a.value;
      }
    }
    return sum;
  }

    /**
     * Resets variables maintaining the sum to zero.  This method may