Posted on 2008-02-23 10:44
dennis 閱讀(831)
評論(1) 編輯 收藏 所屬分類:
java
| Primitive |
Writes up to and including… |
...are made visible to… |
| Object |
the end of a synchronized block or method |
a thread entering a synchronized block or method for the same object. |
| Volatile field |
a write to a volatile field |
any thread reading that volatile field. |
| Thread |
a call to Thread.start |
the newly started thread. |
| Thread |
the final write made by a dying thread |
any thread which successfully calls Thread.join on that thread. |
| Final field |
the initialization of a final field (but only those writes affecting the field and any object it references) |
any thread, provided that the constructor of the object containing the field doesn’t write the value of this anywhere eventually visible to other threads |
這些在《java并發編程實踐》一書中已經有詳細解釋，特別是對于ReentrantLock、volatile域以及final域的討論。今天在MenTaLguY的blog上看到這張表，摘錄下。