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  public class HelloTimer { public static ConcurrentHashMap<String, Integer> task_map = new ConcurrentHashMap<String, Integer>(); public static void main(String[] args) throws Inte...

  转：https://www.cnblogs.com/skyblue/p/3296350.html http://www.quartz-scheduler.org/api/previous_versions/2.0.2/org/quartz/CronTrigger.html   The public interface for inspecting settings specific...