随笔16 ThreadLocal类

 1  static class ThreadLocalMap {
 2         static class Entry extends WeakReference<ThreadLocal> {
 3             /** The value associated with this ThreadLocal. */
 4             Object value;
 5             Entry(ThreadLocal k, Object v) {
 6                 super(k);
 7                 value = v;
 8             }
 9         }
10         /**
11          * The table, resized as necessary.
12          * table.length MUST always be a power of two.
13          */
14         private Entry[] table;
15 }