Print information about currently running threads

ThreadInformation.java

private static void printThreadInformation() {
  ThreadGroup threadGroup = Thread.currentThread().getThreadGroup();
  ThreadGroup parent;
  while ((parent = threadGroup.getParent()) != null) {
    threadGroup = parent;
    Thread[] threads = new Thread[threadGroup.activeCount()];
    threadGroup.enumerate(threads);
    for (Thread thread : threads) {
      String identity = thread.getThreadGroup().getName() + "::" + thread.getName();
      System.out.println(identity + ", Priority: " + thread.getPriority() + ", Daemon: " + thread.isDaemon());
    }
  }
}