How to use eclipse task

1. Set the tag of the task
    WINDOW->preference->java->complier->task tags
and add a DONE: NORMAL indicates the completed task
2. Add //TODO tasks to the java code
3. Add // to the code FIXME indicates that the priority level is relatively high, and the task of the defect problem that needs to be dealt with.
4. Adding //XXX to the code indicates that although the task has been completed, it still needs to be optimized.
5. Adding //DONE to the code indicates that the task has been processed. This label can be deleted.

6. Where can I see these added tasks, window — show View — Tasks