stream-close-exceptions.java

ArrayList<Throwable> throwables = new ArrayList<>();
onClose.forEach((runnable) -> {
        try {
          runnable.run();
        } catch (Throwable e) {
          throwables.add(e);
        }
      });
if (!throwables.isEmpty()) {
  Throwable e = throwables.get(0);
  for (int i = 1; i < throwables.size(); i++) {
    Throwable suppressed = throwables.get(i);
    if (suppressed != e) {
      e.addSuppressed(suppressed);
    }