Hashtable methods

[sumit Sanghai]

We know that Hashtable is synchronized. But not all the Hashtable methods are synchronized. Why?

[Tony Morris]

because they don't access shared data.
There's seldom a good reason to use a Hashtable anyway.

[sander hautvast]

There's seldom a good reason to use a Hashtable anyway.

why is that?

[Sudhakar Namasivayam]

The HashMap class is roughly equivalent to Hashtable, except that it is unsynchronized and permits nulls.

http://java.sun.com/j2se/1.4.2/docs/api/java/util/HashMap.html

http://www.coderanch.com/t/231485/threads/java/Hashtable-vs-HashMap

[Zhongbo Li]

用打包的办法